Re: making a tap for the 5/8-4 acme thread

[Curtis]

Hello everyone! ;-)
tonight while driving home form work, I was re-thinking this problem of 
making a new half nut with out using a acme tap. (sorry Joe, I needed to 
re-run some of Gilligan's Island here.) ;-p

I had two thoughts on this topic. the first one is to drill a 5/8" hole (or 
slightly larger) and then drill across the rod/ lead screw, to add a pin. 
This pin could be used as a tooth to follow the lead screw. ( I can think 
of a number of different ways to align the tooth angle, but the easiest way 
is to lay a rod in the threads of the screw and then space the angle out 
with a block the get the correct angle for the drilling of the hole.) 

:Later (still driving in construction zone.) (its a long drive!)  I thought 
about instead of adding a rod, why not a ball bearing or two? A free 
spinning ball bearing with a spring or??? (some way of adding tench-en. 
would be needed.) (Perhaps a calm clamp could be used to hold tench-en and 
make a quick release ??? ) My thinking is a ball bearing would be easier to 
align then a pin,..

There is always More then one way to do almost anything. Just because you 
do not have the correct ... TOOL, doesn't mean  that you can not find 
another way to get the job done.  [ "Think out side the box" ]  

Im going to hit the hay now.
Have a good night (or good morning) All.
C.A.G.






>

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Re: making a tap for the 5/8-4 acme thread

[Richard Ellis]

I have been watching this thread with interest. Last year I placed an add 
on a metal work forum for a 4 tpi tap. Or for someone to turn the acme 
thread.
I man said he could turn the thread so that I could turn it into a Tap *He 
did but when I picked it up it was all wrong*---left hand wrong thread 
pattern no good at all.
NOW the strange thing is the thread fits the nearly worn out half nut. I 
have been talking to Bill on this . I am puzzled as to how this happens. No 
doubt it's my brain playing tricks again ! ! ! 
Regards
Richard

On Thursday, August 10, 2017 at 11:16:25 PM UTC+1, joe biunno wrote:
>
> hey mac!...if anyone wants, they can send a request...but I strongly 
> suggest sending a photo of their current split nut first, to verify that it 
> is the same as I made...and how the split nut mounts into their 
> machine...and as far as finding a relatively small piece of the 5/8-4 acme 
> rod, I have not done a search for that, but I might guess, if it can't be 
> found, then call the company that originally made the rods for legacy, back 
> in the day...they are located in westbury, new York...the same place I got 
> my 16ft. piece from...google "acme threaded rod westbury ny"...and perhaps 
> they can provide a small piece...joe
>
>
>>

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Re: making a tap for the 5/8-4 acme thread

['joe biunno' via Legacy Ornamental Mills]

hey mac!...if anyone wants, they can send a request...but I strongly 
suggest sending a photo of their current split nut first, to verify that it 
is the same as I made...and how the split nut mounts into their 
machine...and as far as finding a relatively small piece of the 5/8-4 acme 
rod, I have not done a search for that, but I might guess, if it can't be 
found, then call the company that originally made the rods for legacy, back 
in the day...they are located in westbury, new York...the same place I got 
my 16ft. piece from...google "acme threaded rod westbury ny"...and perhaps 
they can provide a small piece...joe


>

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Re: making a tap for the 5/8-4 acme thread

[MWF]

Hi Joe,Where's the link to the on-line order form for split nuts? I don't need any right now but it sounds like others do.Since a tap for 5/8-4 Acme thread is impossible to find, how hard is it to find that in threaded rod stock - say a foot long?Mac-Original Message-
From: 'joe biunno' via Legacy Ornamental Mills 
Sent: Aug 10, 2017 5:40 PM
To: Legacy Ornamental Mills 
Cc: curtgeo...@wowway.com
Subject: Re: making a tap for the 5/8-4 acme thread

ok, time to take the gloves off!...LOL!...I applaud all of these suggestions of how to make a split nut...epoxies(a bit too hard and brittle, in my opinion)...melting plastic and forming it around the acme thread?(seems a bit awkward and time consuming to get to the desired mass, then some time to shape it while also keeping the thread parallel and square)...these are all well and good if you are stuck on the island with Gilligan, the skipper, the professor and ginger!...LOL!...there is a reason the split nuts were made with a tap...it is the easiest and fastest way to do it...as mentioned, the tap took 1 1/2 hours to make...but that was a four flute tap...knock it down to three flutes and it is perhaps an hour...and I have seen situations where a one flute tap will work, especially when doing a slippery plastic like UHMW...and the plastic stock could be had for $9.00, which would be enough to make 9 split nuts...and it was purchased sized so that there was no work other than drilling the start hole, running the tap through, than cutting in the center of the newly formed tap...rounding off the two edges took all of 30 seconds...to make one split nut would take about  10 minutes...all these other methods, which I do applaud, do not seem practical...now, the only issue or difficulty anyone might have in making a tap, is getting the 4" to 6" length of the acme rod needed to make the tap...barring that, this turned out to be a no brainer to use a tap to make as many split nuts as I did...just can't see the logic to do it any other way...fire away at this post guys!...joe b.



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Re: making a tap for the 5/8-4 acme thread

['joe biunno' via Legacy Ornamental Mills]

ok, time to take the gloves off!...LOL!...I applaud all of these 
suggestions of how to make a split nut...epoxies(a bit too hard and 
brittle, in my opinion)...melting plastic and forming it around the acme 
thread?(seems a bit awkward and time consuming to get to the desired mass, 
then some time to shape it while also keeping the thread parallel and 
square)...these are all well and good if you are stuck on the island with 
Gilligan, the skipper, the professor and ginger!...LOL!...there is a reason 
the split nuts were made with a tap...it is the easiest and fastest way to 
do it...as mentioned, the tap took 1 1/2 hours to make...but that was a 
four flute tap...knock it down to three flutes and it is perhaps an 
hour...and I have seen situations where a one flute tap will work, 
especially when doing a slippery plastic like UHMW...and the plastic stock 
could be had for $9.00, which would be enough to make 9 split nuts...and it 
was purchased sized so that there was no work other than drilling the start 
hole, running the tap through, than cutting in the center of the newly 
formed tap...rounding off the two edges took all of 30 seconds...to make 
one split nut would take about  10 minutes...all these other methods, which 
I do applaud, do not seem practical...now, the only issue or difficulty 
anyone might have in making a tap, is getting the 4" to 6" length of the 
acme rod needed to make the tap...barring that, this turned out to be a no 
brainer to use a tap to make as many split nuts as I did...just can't see 
the logic to do it any other way...fire away at this post guys!...joe b.


>

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Re: making a tap for the 5/8-4 acme thread

[CURTIS GEORGE]

Hello Mac 
I've been away for two weeks, and had not checked all my e-mails. I did not 
mean to steel you thunder on this topic. 

But as I said on the first half of this topic. epoxy putty's just might fill 
the gap... (excuse the pun) to make your split nut. (in my way of thinking, if 
it can be drilled and tapped,) I believe it too could be used to make a split 
nut for the Legacy. for the price of the product, either idea should work out 
well for this job. 

I mean even if you owned a tap, you would still have to work the part, after 
being tapped, to make it usable for the machine. 

More latter. 
C.A.G. 

- Original Message -

From: "MWF"  
To: legacy-ornamental-mills@googlegroups.com 
Sent: Thursday, August 10, 2017 11:17:03 AM 
Subject: Re: making a tap for the 5/8-4 acme thread 

Hi Curtis (and all others), 

The HDPE route is what I suggested a week ago. And as for the cut-offs and 
shavings - save them and add them into the next batch you melt. The ultimate in 
a "recyclable product"! We can't really do that with our wood. 

By the way, if you want colors (or to make some "swirly" billets, check out 
plastic coffee canisters and other containers in your kitchen. Maxwell House is 
blue and Folgers is red. One of them sell their decaf in green. They are all 
HDPE. Check the bottoms of your plastic containers for the Recycle triangle - 
you are looking for the #2 - which is HDPE. I just checked my wife's laundry 
room - and there are a variety of colors in jugs labeled as being HDPE. So you 
have a wide choice of colors if you choose to make some split nuts (or anything 
else) from HDPE. 

Be aware that Tim points out that HDPE is not a particularly hard (durable?) 
plastic. But I think given the "price", making one this way might be worth the 
try - not to mention kind of fun. You can think of it as "big kids' Play 
Dough". 
And if it doesn't work well, melt it back down and make a Pulley, Pen, or 
Pepper Mill out of it. 
Since they put milk and coffee in it, I'll bet it is "food safe". 

I can't wait to see what "NY Joe" (Biuno) makes using the above. He'll probably 
go to a nearby car wash and get one or more of their 55 gallon drums made from 
HDPE. He'll then impress us, once again, with his wizardry and mastery of 
manufacturing. 

Have a great day everybody! 

Mac 




-----Original Message----- 
From: Curtis 
Sent: Aug 10, 2017 10:39 AM 
To: Legacy Ornamental Mills 
Subject: Re: making a tap for the 5/8-4 acme thread 

Hello Everyone, Im back! ;-) 

Joe I like your 1x8 tap. I have made one as well, very much like what you show, 
and it too works well. 

But I have another idea to get to the same end. 

How about using an Epoxy puddy to make your half split nut for the Legacy? 

If you wax your acme screw well to epoxy will not stick to your lead screw. 
once the puddy is cured, it can be shaped and taped to fit your machine. I have 
no idea on how long this will last? but it will make a split nut easy enough to 
fit the bill. 

Another idea is to make a mold with a section of your acme screw and melt some 
HDPE old milk jugs. ??? much like what this man dose in this video. 
https://www.youtube.com/watch?v=erlZ-FdBB2I&t=61s 

Gota run now. 
Have a good day. everyone. 
C.A.G. 









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Re: making a tap for the 5/8-4 acme thread

[MWF]

Hi Curtis (and all others),The HDPE route is what I suggested a week ago.  And as for the cut-offs and shavings - save them and add them into the next batch you melt.  The ultimate in a "recyclable product"!  We can't really do that with our wood.By the way, if you want colors (or to make some "swirly" billets, check out plastic coffee canisters and other containers in your kitchen.  Maxwell House is blue and Folgers is red.  One of them sell their decaf in green.  They are all HDPE.  Check the bottoms of your plastic containers for the Recycle triangle - you are looking for the #2 - which is HDPE.  I just checked my wife's laundry room - and there are a variety of colors in jugs labeled as being HDPE.  So you have a wide choice of colors if you choose to make some split nuts (or anything else) from HDPE.  Be aware that Tim points out that HDPE is not a particularly hard (durable?) plastic.  But I think given the "price", making one this way might be worth the try - not to mention kind of fun. You can think of it as "big kids' Play Dough".  And if it doesn't work well, melt it back down and make a Pulley, Pen, or Pepper Mill out of it.  Since they put milk and coffee in it, I'll bet it is "food safe".I can't wait to see what "NY Joe" (Biuno) makes using the above.  He'll probably go to a nearby car wash and get one or more of their 55 gallon drums made from HDPE.   He'll then impress us, once again, with his wizardry and mastery of manufacturing.Have a great day everybody!Mac-Original Message-----
From: Curtis 
Sent: Aug 10, 2017 10:39 AM
To: Legacy Ornamental Mills 
Subject: Re: making a tap for the 5/8-4 acme thread

Hello Everyone, Im back! ;-)Joe I like your 1x8 tap. I have made one as well, very much like what you show, and it too works well.But I have another idea to get to the same end.How about using an Epoxy puddy  to make your half split nut for the Legacy?If you wax your acme screw well to epoxy will not stick to your lead screw. once the puddy is cured, it can be shaped and taped to fit your machine. I have no idea on how long this will last? but it will make a split nut easy enough to fit the bill. Another idea is to make a mold with a section of your acme screw and melt some  HDPE old milk jugs. ??? much like what this man dose in this video.https://www.youtube.com/watch?v=erlZ-FdBB2I&t=61s    Gota run now. Have a good day. everyone.C.A.G.






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Re: making a tap for the 5/8-4 acme thread

[Curtis]

Hello Everyone, Im back! ;-)

Joe I like your 1x8 tap. I have made one as well, very much like what you 
show, and it too works well.

But I have another idea to get to the same end.

How about using an Epoxy puddy  to make your half split nut for the Legacy?

If you wax your acme screw well to epoxy will not stick to your lead screw. 
once the puddy is cured, it can be shaped and taped to fit your machine. I 
have no idea on how long this will last? but it will make a split nut easy 
enough to fit the bill. 

Another idea is to make a mold with a section of your acme screw and melt 
some 
 HDPE old milk jugs. ??? much like what this man dose in this video.
https://www.youtube.com/watch?v=erlZ-FdBB2I&t=61s

Gota run now. 
Have a good day. everyone.
C.A.G.



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RE: making a tap for the 5/8-4 acme thread

[Bill Bulkeley]

Way to go joe maybe you better start flogging them of to the members of this 
group there is defiantly a demand for them out there in legacy owner world

Nice work

 

Bill

 

From: 'joe biunno' via Legacy Ornamental Mills 
[mailto:legacy-ornamental-mills@googlegroups.com] 
Sent: Thursday, 10 August 2017 8:18 AM
To: Legacy Ornamental Mills
Subject: Re: making a tap for the 5/8-4 acme thread

 

ok, just finished making 15 new split nuts for my recently acquired 1500... and 
as fate would have it, these split nuts also fit my X and Y carriages on my 
"beast from the east", as Mac likes to refer to it...these also work on both 
the X and Y carriages on the 1500, so I am set up for a very long time(i.e. 
forever!...LOL!)...a 2 ft. piece of UHMW from McMaster-carr(about $20.00) was 
enough to make 15 split nuts with leftover...the tap we just made did it's job 
very well, with no visible wear at all...and no painting necessary 
here!...LOL...so this is in the books...happy to answer any questions anyone 
might have...joe b.

 

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Re: making a tap for the 5/8-4 acme thread

[Bawdsey64]

​Hi folks
For your information I can confirm that the Legacy Tap that they still use to 
make the Split Nuts is about 7" long and was a Custom Made Unit according to 
Andy. Back then they were making a few thousand Split Nuts a year.
Cheers
Roger



Sent from TouchMail for Windows 10 [http://bit.ly/1PH8eIw]
​


From: 'joe biunno' via Legacy Ornamental Mills
Received: 09/08/2017 23:18:06 +01:00
To: Legacy Ornamental Mills
ok, just finished making 15 new split nuts for my recently acquired 1500... and 
as fate would have it, these split nuts also fit my X and Y carriages on my 
"beast from the east", as Mac likes to refer to it...these also work on both 
the X and Y carriages on the 1500, so I am set up for a very long time(i.e. 
forever!...LOL!)...a 2 ft. piece of UHMW from McMaster-carr(about $20.00) was 
enough to make 15 split nuts with leftover...the tap we just made did it's job 
very well, with no visible wear at all...and no painting necessary 
here!...LOL...so this is in the books...happy to answer any questions anyone 
might have...joe b.



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RE: making a tap for the 5/8-4 acme thread

[Bill Bulkeley]

No right hand is ok I’ll just turn the mill upside down :-)

 

Bill

 

From: legacy-ornamental-mills@googlegroups.com 
[mailto:legacy-ornamental-mills@googlegroups.com] On Behalf Of MWF
Sent: Wednesday, 9 August 2017 3:12 AM
To: legacy-ornamental-mills@googlegroups.com
Subject: Re: making a tap for the 5/8-4 acme thread

 

Joe,

Interesting info / discussion there.  
I told the folks I was seeking the tap from that we would be doing a "through 
tapping" - through a max of ~2" into nylon/delrin.  
(They asked if it would be a bottom tapping scenario - to which I said "no, 
through tap".)

By the way:  Your mention of the need for it to be a "right-hand thread".  
Don't forget Bill - "Down under" - he'll need "left-hand thread".  

Mac

  _  

-Original Message- 
From: 'joe biunno' via Legacy Ornamental Mills 
Sent: Aug 8, 2017 9:46 AM 
To: Legacy Ornamental Mills 
Subject: Re: making a tap for the 5/8-4 acme thread 

hi gavin... joe biunno here...from my research, what they would need to know is 
1) how many flutes? four is most often the norm, sometimes three. would not do 
two as the tap might go in at an angle  2) type of tap...starter tap, plug tap, 
bottoming tap, and there might be others, I am not sure, LOL!. a starting tap 
is the most common and what is called for in this situation  3) length/height 
of piece to be threaded. here, they are trying to determine if you are 
threading a 1/8" thick piece or a 3" piece.  I would just say the piece is 1" 
thick +/-. making a thread into nylon/plastic is very easy on any tap  4) they 
will not need to know the depth of the thread. this is determined by the size 
of the requested tap, in this case an acme thread  5) and a right hand thread, 
of course...hope that covers it...joe biunno

 


 
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Re: making a tap for the 5/8-4 acme thread

[MWF]

Joe,Interesting info / discussion there.  I told the folks I was seeking the tap from that we would be doing a "through tapping" - through a max of ~2" into nylon/delrin.  (They asked if it would be a bottom tapping scenario - to which I said "no, through tap".)By the way:  Your mention of the need for it to be a "right-hand thread".  Don't forget Bill - "Down under" - he'll need "left-hand thread".  Mac-Original Message-
From: 'joe biunno' via Legacy Ornamental Mills 
Sent: Aug 8, 2017 9:46 AM
To: Legacy Ornamental Mills 
Subject: Re: making a tap for the 5/8-4 acme thread

hi gavin... joe biunno here...from my research, what they would need to know is 1) how many flutes? four is most often the norm, sometimes three. would not do two as the tap might go in at an angle  2) type of tap...starter tap, plug tap, bottoming tap, and there might be others, I am not sure, LOL!. a starting tap is the most common and what is called for in this situation  3) length/height of piece to be threaded. here, they are trying to determine if you are threading a 1/8" thick piece or a 3" piece.  I would just say the piece is 1" thick +/-. making a thread into nylon/plastic is very easy on any tap  4) they will not need to know the depth of the thread. this is determined by the size of the requested tap, in this case an acme thread  5) and a right hand thread, of course...hope that covers it...joe biunno






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Re: making a tap for the 5/8-4 acme thread

['joe biunno' via Legacy Ornamental Mills]

hi gavin... joe biunno here...from my research, what they would need to 
know is 1) how many flutes? four is most often the norm, sometimes three. 
would not do two as the tap might go in at an angle  2) type of 
tap...starter tap, plug tap, bottoming tap, and there might be others, I am 
not sure, LOL!. a starting tap is the most common and what is called for in 
this situation  3) length/height of piece to be threaded. here, they are 
trying to determine if you are threading a 1/8" thick piece or a 3" piece.  
I would just say the piece is 1" thick +/-. making a thread into 
nylon/plastic is very easy on any tap  4) they will not need to know the 
depth of the thread. this is determined by the size of the requested tap, 
in this case an acme thread  5) and a right hand thread, of course...hope 
that covers it...joe biunno


>

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Re: making a tap for the 5/8-4 acme thread

[Bawdsey64]

​Hi Brigitte
We will have to change that well known phrase "that behind every successful man 
there is a woman" to now read "behind any Google group there is a lady".
Cheers
Roger 



Sent from TouchMail for Windows 10 [http://bit.ly/1PH8eIw]
​


From: Brigitte Graham
Received: 08/08/2017 13:52:12 +01:00
To: legacy-ornamental-mills
Hello again,
I have made enquiries with a local model making supplies firm, it seems they 
can get a tap made for around £200 ($260 US/$328 Australian US) (plus P&P)
I have asked for a quote for an acme tap:-
a) 5/8"- 4tpi  
b) 1/8" deep thread
c) to cut a through hole 
d) in mild steel

Is this correct?

Legacy Widow


On 8 August 2017 at 09:29, Brigitte Graham mailto:brigittegraha...@gmail.com]> wrote:

Harvey,
It might be, but it is the same principle, it's (re)mouldable for ever!
As the split nut is never going to be going at any great speed along the acme 
thread, it won't be creating any heat to make it "melt"
I believe you can add to the original that you have made if you 'melt' the 
surface with a hot air gun.
Legacy Widow

[http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail]
 Virus-free. www.avg.com 
[http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail]
[#m_146298434357520_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2]

On 8 August 2017 at 04:17, Harvey Matyas mailto:hmatyas0...@gmail.com]> wrote:


Is it called  InstaMorph ?
https://www.youtube.com/watch?v=hD6IuhZT9-4 
[https://www.youtube.com/watch?v=hD6IuhZT9-4]

On Mon, Aug 7, 2017 at 6:53 PM, Brigitte Graham mailto:brigittegraha...@gmail.com]> wrote:

Hi Gentlemen,
Have you thought of using the plastic that is mouldable after it has been 
melted in boiling water?
I can't remember what it is called. It comes as a bag of small opaque white 
(and black) beads of plastic that you pour into some very hot water, when they 
are ready for use they go a transparent colour, and you clump them together in 
the water with a spatula, then lift the lump out, and (careful, because they 
are very hot) push it round the acme thread, and mould the out side to a large 
lump. Leave it to cool (it goes opaque again). Wind it off the thread, machine 
the outside to what ever shape you want it to be, cut it in half ~ one split 
nut! If it all goes pear shaped, you just put the 'lump' back in some boiling 
water and start again.
Tomorrow, I will try and find the name of this stuff. 
I have used it to make some knobs on wingnuts that were too fiddly to tighten 
and loosen.
Cheers
Legacy Widow


[http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail]
 Virus-free. www.avg.com 
[http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail]
[#m_146298434357520_m_-6000811409969493360_m_7678354522127726125_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2]

On 7 August 2017 at 20:03, MWF mailto:mwfos...@earthlink.net]> wrote:

Joe,
I, too, attempted to find a source for the Tap - figuring I'd be helping folks 
in The Group that wanted/needed one.
I contacted a significant distributor - and here is the reply I received after 
their two to three day attempts to source a tap for me:
(Note - there was more info in their reply - but it had a "non-disclosure" 
warning at the bottom.  Don't feel its worth seeking their "permission" to 
share it - because it is of no value since the "bottom line" is:  They can't 
source the tap.)

It appears that your method is the way to go.  Perhaps you (or Tim if he has a 
tap) can calculate how much it will cost you to make a number of the blocks 
with your tap and let The Group know what we'd be looking at cost wise (with 
your profit and S&H included in the price).  Based upon that, you could take 
orders - if that's a viable task for you to entertain.

Have a Wonderful Week - and thank you for sharing you thoughts and efforts with 
The Group.

Mac


Sorry,  but Your Quote Request below will be a No Quote for Xxx (the corp's 
name was here).
I have Checked with Our Sources and they say that a 5/8-4 is too coarse of a 
thread
Thank You for the Opportunity to Quote.
 
NONSTOCK REQUEST
 
ITEM #/EDP #/ MODEL # N/A  
 
BRAND NAME / OR IF BRAND SPECIFIC:N/A
 
DESCRIPTION OF ITEM:  5/8 DIAM – 4 PITCH,  ACME THREAD ROD  TAP
LENGTH 2 INCHES
USING ON NYLON AND DELRIN
 
QUANITY NEEDED: 2 TO 4 - POSSIBLY MORE

 


-Original Message-
From: 'joe biunno' via Legacy Ornamental Mills
Sent: Aug 7, 2017 12:47 PM
To: Legacy Ornamental Mills
Subject: making a tap for the 5/8-4 acme thread


starting a dedicated topic for this as I think it warrants it...got an email 
from a tool supplier that services the metal working industry in regards to 
obtaining a factory made, 5/8-4 acme thread, right hand tap...it would have to 
be made to order...here is the quote...


5/8-4 acme tap, I am quoting you a 4pc set (semi 

Re: making a tap for the 5/8-4 acme thread

[Brigitte Graham]

Hello again,
I have made enquiries with a local model making supplies firm, it seems
they can get a tap made for around £200 ($260 US/$328 Australian US) (plus
P&P)
I have asked for a quote for an acme tap:-
a) 5/8"- 4tpi
b) 1/8" deep thread
c) to cut a through hole
d) in mild steel

Is this correct?

Legacy Widow


On 8 August 2017 at 09:29, Brigitte Graham 
wrote:

> Harvey,
> It might be, but it is the same principle, it's (re)mouldable for ever!
> As the split nut is never going to be going at any great speed along the
> acme thread, it won't be creating any heat to make it "melt"
> I believe you can add to the original that you have made if you 'melt' the
> surface with a hot air gun.
> Legacy Widow
>
>
> 
>  Virus-free.
> www.avg.com
> 
> <#m_146298434357520_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>
> On 8 August 2017 at 04:17, Harvey Matyas  wrote:
>
>>
>> Is it called  InstaMorph ?
>> https://www.youtube.com/watch?v=hD6IuhZT9-4
>>
>> On Mon, Aug 7, 2017 at 6:53 PM, Brigitte Graham <
>> brigittegraha...@gmail.com> wrote:
>>
>>> Hi Gentlemen,
>>> Have you thought of using the plastic that is mouldable after it has
>>> been melted in boiling water?
>>> I can't remember what it is called. It comes as a bag of small opaque
>>> white (and black) beads of plastic that you pour into some very hot water,
>>> when they are ready for use they go a transparent colour, and you clump
>>> them together in the water with a spatula, then lift the lump out, and
>>> (careful, because they are very hot) push it round the acme thread, and
>>> mould the out side to a large lump. Leave it to cool (it goes opaque
>>> again). Wind it off the thread, machine the outside to what ever shape you
>>> want it to be, cut it in half ~ one split nut! If it all goes pear shaped,
>>> you just put the 'lump' back in some boiling water and start again.
>>> Tomorrow, I will try and find the name of this stuff.
>>> I have used it to make some knobs on wingnuts that were too fiddly to
>>> tighten and loosen.
>>> Cheers
>>> Legacy Widow
>>>
>>>
>>>
>>> 
>>>  Virus-free.
>>> www.avg.com
>>> 
>>> <#m_146298434357520_m_-6000811409969493360_m_7678354522127726125_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>>>
>>> On 7 August 2017 at 20:03, MWF  wrote:
>>>
 Joe,
 I, too, attempted to find a source for the Tap - figuring I'd be
 helping folks in The Group that wanted/needed one.
 I contacted a significant distributor - and here is the reply I
 received after their two to three day attempts to source a tap for me:
 (Note - there was more info in their reply - but it had a
 "non-disclosure" warning at the bottom.  Don't feel its worth seeking their
 "permission" to share it - because it is of no value since the "bottom
 line" is:  They can't source the tap.)

 It appears that your method is the way to go.  Perhaps you (or Tim if
 he has a tap) can calculate how much it will cost you to make a number of
 the blocks with your tap and let The Group know what we'd be looking at
 cost wise (with your profit and S&H included in the price).  Based upon
 that, you could take orders - if that's a viable task for you to entertain.

 Have a Wonderful Week - and thank you for sharing you thoughts and
 efforts with The Group.

 Mac
 --

 Sorry,  but Your Quote Request below will be a No Quote for Xxx
 (the corp's name was here).

 I have Checked with Our Sources and they say that a 5/8-4 is too coarse
 of a thread

 Thank You for the Opportunity to Quote.



 NONSTOCK REQUEST



 ITEM #/EDP #/ MODEL # N/A



 BRAND NAME / OR IF BRAND SPECIFIC:N/A



 DESCRIPTION OF ITEM:  5/8 DIAM – 4 PITCH,  ACME THREAD ROD  TAP

 LENGTH 2 INCHES

 USING ON NYLON AND DELRIN



 QUANITY NEEDED: 2 TO 4 - POSSIBLY MORE


 --

 -Original Message-
 From: 'joe biunno' via Legacy Ornamental Mills
 Sent: Aug 7, 2017 12:47 PM
 To: Legacy Ornamental Mills
 Subject: making a tap for the 5/8-4 acme thread

 starting a dedicated topic for this as I think it warrants it...got an
 email from a tool supplier that services the metal working industry in
 regards to obtaining a factory made, 5/8-4 acme thread, right hand tap...it
 would have to be made to order...here is the quote...


 5/8-4 acme tap, I am quotin

RE: making a tap for the 5/8-4 acme thread

[Bill Bulkeley]

I would imagine its not so much the heat as how soft the moulding plastic is 
and weather it wears really quickly or not

Just a thought .

 

Bill

 

 

From: legacy-ornamental-mills@googlegroups.com 
[mailto:legacy-ornamental-mills@googlegroups.com] On Behalf Of Brigitte Graham
Sent: Tuesday, 8 August 2017 6:30 PM
To: legacy-ornamental-mills
Subject: Re: making a tap for the 5/8-4 acme thread

 

Harvey,

It might be, but it is the same principle, it's (re)mouldable for ever!

As the split nut is never going to be going at any great speed along the acme 
thread, it won't be creating any heat to make it "melt"

I believe you can add to the original that you have made if you 'melt' the 
surface with a hot air gun.

Legacy Widow

 


 
<http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
 

Virus-free.  
<http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
 www.avg.com 

 

On 8 August 2017 at 04:17, Harvey Matyas  wrote:

 

Is it called  InstaMorph ?

https://www.youtube.com/watch?v=hD6IuhZT9-4

 

On Mon, Aug 7, 2017 at 6:53 PM, Brigitte Graham  
wrote:

Hi Gentlemen,

Have you thought of using the plastic that is mouldable after it has been 
melted in boiling water?

I can't remember what it is called. It comes as a bag of small opaque white 
(and black) beads of plastic that you pour into some very hot water, when they 
are ready for use they go a transparent colour, and you clump them together in 
the water with a spatula, then lift the lump out, and (careful, because they 
are very hot) push it round the acme thread, and mould the out side to a large 
lump. Leave it to cool (it goes opaque again). Wind it off the thread, machine 
the outside to what ever shape you want it to be, cut it in half ~ one split 
nut! If it all goes pear shaped, you just put the 'lump' back in some boiling 
water and start again.

Tomorrow, I will try and find the name of this stuff. 
I have used it to make some knobs on wingnuts that were too fiddly to tighten 
and loosen.

Cheers

Legacy Widow

 

 


 
<http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
 Error! Filename not specified.

Virus-free.  
<http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
 www.avg.com 

 

On 7 August 2017 at 20:03, MWF  wrote:

Joe,
I, too, attempted to find a source for the Tap - figuring I'd be helping folks 
in The Group that wanted/needed one.
I contacted a significant distributor - and here is the reply I received after 
their two to three day attempts to source a tap for me:
(Note - there was more info in their reply - but it had a "non-disclosure" 
warning at the bottom.  Don't feel its worth seeking their "permission" to 
share it - because it is of no value since the "bottom line" is:  They can't 
source the tap.)

It appears that your method is the way to go.  Perhaps you (or Tim if he has a 
tap) can calculate how much it will cost you to make a number of the blocks 
with your tap and let The Group know what we'd be looking at cost wise (with 
your profit and S&H included in the price).  Based upon that, you could take 
orders - if that's a viable task for you to entertain.

Have a Wonderful Week - and thank you for sharing you thoughts and efforts with 
The Group.

Mac

  _  

 

Sorry,  but Your Quote Request below will be a No Quote for Xxx (the corp's 
name was here).

I have Checked with Our Sources and they say that a 5/8-4 is too coarse of a 
thread 

Thank You for the Opportunity to Quote.

 

NONSTOCK REQUEST 

 

ITEM #/EDP #/ MODEL # N/A   

 

BRAND NAME / OR IF BRAND SPECIFIC:N/A

 

DESCRIPTION OF ITEM:  5/8 DIAM – 4 PITCH,  ACME THREAD ROD  TAP

LENGTH 2 INCHES

USING ON NYLON AND DELRIN

 

QUANITY NEEDED: 2 TO 4 - POSSIBLY MORE

  

  _  

-Original Message- 
From: 'joe biunno' via Legacy Ornamental Mills 
Sent: Aug 7, 2017 12:47 PM 
To: Legacy Ornamental Mills 
Subject: making a tap for the 5/8-4 acme thread 

starting a dedicated topic for this as I think it warrants it...got an email 
from a tool supplier that services the metal working industry in regards to 
obtaining a factory made, 5/8-4 acme thread, right hand tap...it would have to 
be made to order...here is the quote...

 

 

5/8-4 acme tap, I am quoting you a 4pc set (semi rougher, rougher, semi 
finisher, finisher) $717.00 

5-7 days TO MANUFACTURE

8” OVERALL LENGTH

3” THREAD LENGTH 

This is a “No guarantee no return”

Victor Machinery Exchange

33-53 62nd Street

Woodside, NY 11377

Phone: 718-899-1502  

Fax: 718-899-0556  

www.victornet.com

 

now, this quote was for a 4 pc. set, which they t

Re: making a tap for the 5/8-4 acme thread

[Brigitte Graham]

Harvey,
It might be, but it is the same principle, it's (re)mouldable for ever!
As the split nut is never going to be going at any great speed along the
acme thread, it won't be creating any heat to make it "melt"
I believe you can add to the original that you have made if you 'melt' the
surface with a hot air gun.
Legacy Widow


Virus-free.
www.avg.com

<#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

On 8 August 2017 at 04:17, Harvey Matyas  wrote:

>
> Is it called  InstaMorph ?
> https://www.youtube.com/watch?v=hD6IuhZT9-4
>
> On Mon, Aug 7, 2017 at 6:53 PM, Brigitte Graham <
> brigittegraha...@gmail.com> wrote:
>
>> Hi Gentlemen,
>> Have you thought of using the plastic that is mouldable after it has been
>> melted in boiling water?
>> I can't remember what it is called. It comes as a bag of small opaque
>> white (and black) beads of plastic that you pour into some very hot water,
>> when they are ready for use they go a transparent colour, and you clump
>> them together in the water with a spatula, then lift the lump out, and
>> (careful, because they are very hot) push it round the acme thread, and
>> mould the out side to a large lump. Leave it to cool (it goes opaque
>> again). Wind it off the thread, machine the outside to what ever shape you
>> want it to be, cut it in half ~ one split nut! If it all goes pear shaped,
>> you just put the 'lump' back in some boiling water and start again.
>> Tomorrow, I will try and find the name of this stuff.
>> I have used it to make some knobs on wingnuts that were too fiddly to
>> tighten and loosen.
>> Cheers
>> Legacy Widow
>>
>>
>>
>> 
>>  Virus-free.
>> www.avg.com
>> 
>> <#m_-6000811409969493360_m_7678354522127726125_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>>
>> On 7 August 2017 at 20:03, MWF  wrote:
>>
>>> Joe,
>>> I, too, attempted to find a source for the Tap - figuring I'd be helping
>>> folks in The Group that wanted/needed one.
>>> I contacted a significant distributor - and here is the reply I received
>>> after their two to three day attempts to source a tap for me:
>>> (Note - there was more info in their reply - but it had a
>>> "non-disclosure" warning at the bottom.  Don't feel its worth seeking their
>>> "permission" to share it - because it is of no value since the "bottom
>>> line" is:  They can't source the tap.)
>>>
>>> It appears that your method is the way to go.  Perhaps you (or Tim if he
>>> has a tap) can calculate how much it will cost you to make a number of the
>>> blocks with your tap and let The Group know what we'd be looking at cost
>>> wise (with your profit and S&H included in the price).  Based upon that,
>>> you could take orders - if that's a viable task for you to entertain.
>>>
>>> Have a Wonderful Week - and thank you for sharing you thoughts and
>>> efforts with The Group.
>>>
>>> Mac
>>> --
>>>
>>> Sorry,  but Your Quote Request below will be a No Quote for Xxx (the
>>> corp's name was here).
>>>
>>> I have Checked with Our Sources and they say that a 5/8-4 is too coarse
>>> of a thread
>>>
>>> Thank You for the Opportunity to Quote.
>>>
>>>
>>>
>>> NONSTOCK REQUEST
>>>
>>>
>>>
>>> ITEM #/EDP #/ MODEL # N/A
>>>
>>>
>>>
>>> BRAND NAME / OR IF BRAND SPECIFIC:N/A
>>>
>>>
>>>
>>> DESCRIPTION OF ITEM:  5/8 DIAM – 4 PITCH,  ACME THREAD ROD  TAP
>>>
>>> LENGTH 2 INCHES
>>>
>>> USING ON NYLON AND DELRIN
>>>
>>>
>>>
>>> QUANITY NEEDED: 2 TO 4 - POSSIBLY MORE
>>>
>>>
>>> --
>>>
>>> -Original Message-
>>> From: 'joe biunno' via Legacy Ornamental Mills
>>> Sent: Aug 7, 2017 12:47 PM
>>> To: Legacy Ornamental Mills
>>> Subject: making a tap for the 5/8-4 acme thread
>>>
>>> starting a dedicated topic for this as I think it warrants it...got an
>>> email from a tool supplier that services the metal working industry in
>>> regards to obtaining a factory made, 5/8-4 acme thread, right hand tap...it
>>> would have to be made to order...here is the quote...
>>>
>>>
>>> 5/8-4 acme tap, I am quoting you a 4pc set (semi rougher, rougher, semi
>>> finisher, finisher) $717.00
>>>
>>> 5-7 days TO MANUFACTURE
>>>
>>> 8” OVERALL LENGTH
>>>
>>> 3” THREAD LENGTH
>>>
>>> This is a “No guarantee no return”
>>>
>>> Victor Machinery Exchange
>>>
>>> 33-53 62nd Street
>>>
>>> Woodside, NY 11377
>>>
>>> Phone: 718-899-1502 <(718)%20899-1502>
>>>
>>> Fax: 718-899-0556 <(718)%20899-0556>
>>>
>>> www.victornet.com
>>>
>>>
>>> now, this quote was for a 4 pc. set, which they took it upon themselves
>>> to quote...we only need 1 tap, and I am sure that you c

Re: making a tap for the 5/8-4 acme thread

[Harvey Matyas]

Is it called  InstaMorph ?
https://www.youtube.com/watch?v=hD6IuhZT9-4

On Mon, Aug 7, 2017 at 6:53 PM, Brigitte Graham 
wrote:

> Hi Gentlemen,
> Have you thought of using the plastic that is mouldable after it has been
> melted in boiling water?
> I can't remember what it is called. It comes as a bag of small opaque
> white (and black) beads of plastic that you pour into some very hot water,
> when they are ready for use they go a transparent colour, and you clump
> them together in the water with a spatula, then lift the lump out, and
> (careful, because they are very hot) push it round the acme thread, and
> mould the out side to a large lump. Leave it to cool (it goes opaque
> again). Wind it off the thread, machine the outside to what ever shape you
> want it to be, cut it in half ~ one split nut! If it all goes pear shaped,
> you just put the 'lump' back in some boiling water and start again.
> Tomorrow, I will try and find the name of this stuff.
> I have used it to make some knobs on wingnuts that were too fiddly to
> tighten and loosen.
> Cheers
> Legacy Widow
>
>
>
> 
>  Virus-free.
> www.avg.com
> 
> <#m_7678354522127726125_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>
> On 7 August 2017 at 20:03, MWF  wrote:
>
>> Joe,
>> I, too, attempted to find a source for the Tap - figuring I'd be helping
>> folks in The Group that wanted/needed one.
>> I contacted a significant distributor - and here is the reply I received
>> after their two to three day attempts to source a tap for me:
>> (Note - there was more info in their reply - but it had a
>> "non-disclosure" warning at the bottom.  Don't feel its worth seeking their
>> "permission" to share it - because it is of no value since the "bottom
>> line" is:  They can't source the tap.)
>>
>> It appears that your method is the way to go.  Perhaps you (or Tim if he
>> has a tap) can calculate how much it will cost you to make a number of the
>> blocks with your tap and let The Group know what we'd be looking at cost
>> wise (with your profit and S&H included in the price).  Based upon that,
>> you could take orders - if that's a viable task for you to entertain.
>>
>> Have a Wonderful Week - and thank you for sharing you thoughts and
>> efforts with The Group.
>>
>> Mac
>> --
>>
>> Sorry,  but Your Quote Request below will be a No Quote for Xxx (the
>> corp's name was here).
>>
>> I have Checked with Our Sources and they say that a 5/8-4 is too coarse
>> of a thread
>>
>> Thank You for the Opportunity to Quote.
>>
>>
>>
>> NONSTOCK REQUEST
>>
>>
>>
>> ITEM #/EDP #/ MODEL # N/A
>>
>>
>>
>> BRAND NAME / OR IF BRAND SPECIFIC:N/A
>>
>>
>>
>> DESCRIPTION OF ITEM:  5/8 DIAM – 4 PITCH,  ACME THREAD ROD  TAP
>>
>> LENGTH 2 INCHES
>>
>> USING ON NYLON AND DELRIN
>>
>>
>>
>> QUANITY NEEDED: 2 TO 4 - POSSIBLY MORE
>>
>>
>> --
>>
>> -Original Message-
>> From: 'joe biunno' via Legacy Ornamental Mills
>> Sent: Aug 7, 2017 12:47 PM
>> To: Legacy Ornamental Mills
>> Subject: making a tap for the 5/8-4 acme thread
>>
>> starting a dedicated topic for this as I think it warrants it...got an
>> email from a tool supplier that services the metal working industry in
>> regards to obtaining a factory made, 5/8-4 acme thread, right hand tap...it
>> would have to be made to order...here is the quote...
>>
>>
>> 5/8-4 acme tap, I am quoting you a 4pc set (semi rougher, rougher, semi
>> finisher, finisher) $717.00
>>
>> 5-7 days TO MANUFACTURE
>>
>> 8” OVERALL LENGTH
>>
>> 3” THREAD LENGTH
>>
>> This is a “No guarantee no return”
>>
>> Victor Machinery Exchange
>>
>> 33-53 62nd Street
>>
>> Woodside, NY 11377
>>
>> Phone: 718-899-1502 <(718)%20899-1502>
>>
>> Fax: 718-899-0556 <(718)%20899-0556>
>>
>> www.victornet.com
>>
>>
>> now, this quote was for a 4 pc. set, which they took it upon themselves
>> to quote...we only need 1 tap, and I am sure that you could order just the
>> one tap that is needed, but I would think that it would come at a premium
>> price...my guess that it would be about $300.00 for the one tap...certainly
>> not what I would want to spend, so we  decided to make the tap from some
>> leftover acme rod we had(see photos attached)...we made a four flute tap
>> with the end a bit longer...the end matches the diameter of the hole you
>> would need to pre-drill into the delrin or nylon, before you begin to use
>> the tap...the idea being that the tap would have a better chance of going
>> straight through the material being used...did a test on some white delrin
>> and it worked very well...the test piece easily threads onto the lead
>> screw, with little to no play...took about 1 1/2 hrs. to make...thinking
>> about making a few split nuts and then putting the tap away for future

Re: making a tap for the 5/8-4 acme thread

[Brigitte Graham]

Hi Gentlemen,
Have you thought of using the plastic that is mouldable after it has been
melted in boiling water?
I can't remember what it is called. It comes as a bag of small opaque white
(and black) beads of plastic that you pour into some very hot water, when
they are ready for use they go a transparent colour, and you clump them
together in the water with a spatula, then lift the lump out, and (careful,
because they are very hot) push it round the acme thread, and mould the out
side to a large lump. Leave it to cool (it goes opaque again). Wind it off
the thread, machine the outside to what ever shape you want it to be, cut
it in half ~ one split nut! If it all goes pear shaped, you just put the
'lump' back in some boiling water and start again.
Tomorrow, I will try and find the name of this stuff.
I have used it to make some knobs on wingnuts that were too fiddly to
tighten and loosen.
Cheers
Legacy Widow



Virus-free.
www.avg.com

<#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

On 7 August 2017 at 20:03, MWF  wrote:

> Joe,
> I, too, attempted to find a source for the Tap - figuring I'd be helping
> folks in The Group that wanted/needed one.
> I contacted a significant distributor - and here is the reply I received
> after their two to three day attempts to source a tap for me:
> (Note - there was more info in their reply - but it had a "non-disclosure"
> warning at the bottom.  Don't feel its worth seeking their "permission" to
> share it - because it is of no value since the "bottom line" is:  They
> can't source the tap.)
>
> It appears that your method is the way to go.  Perhaps you (or Tim if he
> has a tap) can calculate how much it will cost you to make a number of the
> blocks with your tap and let The Group know what we'd be looking at cost
> wise (with your profit and S&H included in the price).  Based upon that,
> you could take orders - if that's a viable task for you to entertain.
>
> Have a Wonderful Week - and thank you for sharing you thoughts and efforts
> with The Group.
>
> Mac
> --
>
> Sorry,  but Your Quote Request below will be a No Quote for Xxx (the
> corp's name was here).
>
> I have Checked with Our Sources and they say that a 5/8-4 is too coarse of
> a thread
>
> Thank You for the Opportunity to Quote.
>
>
>
> NONSTOCK REQUEST
>
>
>
> ITEM #/EDP #/ MODEL # N/A
>
>
>
> BRAND NAME / OR IF BRAND SPECIFIC:N/A
>
>
>
> DESCRIPTION OF ITEM:  5/8 DIAM – 4 PITCH,  ACME THREAD ROD  TAP
>
> LENGTH 2 INCHES
>
> USING ON NYLON AND DELRIN
>
>
>
> QUANITY NEEDED: 2 TO 4 - POSSIBLY MORE
>
>
> --
>
> -Original Message-
> From: 'joe biunno' via Legacy Ornamental Mills
> Sent: Aug 7, 2017 12:47 PM
> To: Legacy Ornamental Mills
> Subject: making a tap for the 5/8-4 acme thread
>
> starting a dedicated topic for this as I think it warrants it...got an
> email from a tool supplier that services the metal working industry in
> regards to obtaining a factory made, 5/8-4 acme thread, right hand tap...it
> would have to be made to order...here is the quote...
>
>
> 5/8-4 acme tap, I am quoting you a 4pc set (semi rougher, rougher, semi
> finisher, finisher) $717.00
>
> 5-7 days TO MANUFACTURE
>
> 8” OVERALL LENGTH
>
> 3” THREAD LENGTH
>
> This is a “No guarantee no return”
>
> Victor Machinery Exchange
>
> 33-53 62nd Street
>
> Woodside, NY 11377
>
> Phone: 718-899-1502
>
> Fax: 718-899-0556
>
> www.victornet.com
>
>
> now, this quote was for a 4 pc. set, which they took it upon themselves to
> quote...we only need 1 tap, and I am sure that you could order just the one
> tap that is needed, but I would think that it would come at a premium
> price...my guess that it would be about $300.00 for the one tap...certainly
> not what I would want to spend, so we  decided to make the tap from some
> leftover acme rod we had(see photos attached)...we made a four flute tap
> with the end a bit longer...the end matches the diameter of the hole you
> would need to pre-drill into the delrin or nylon, before you begin to use
> the tap...the idea being that the tap would have a better chance of going
> straight through the material being used...did a test on some white delrin
> and it worked very well...the test piece easily threads onto the lead
> screw, with little to no play...took about 1 1/2 hrs. to make...thinking
> about making a few split nuts and then putting the tap away for future
> generations to use...LOL!...more to follow...joe b.
>
> --
> You received this message because you are subscribed to the Google Groups
> "Legacy Ornamental Mills" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to legacy-ornamental-mills+unsubscr...@googlegroups.com.
> To post to this group, send email

Re: making a tap for the 5/8-4 acme thread

['joe biunno' via Legacy Ornamental Mills]

hey mac!...your suggestion has possibilities...but I would not want to get 
involved with making split nuts for some of the more complicated set-ups 
legacy made... namely,  that hinged thing...if it was just the block that, 
seems to be the more common split nut that legacy used, that might 
doable...I just ordered the material I need to make about 16 pieces and 
will most likely be attempting this work tomorrow, which will give me a 
good idea as to the labor involved...stay tuned...joe bp.s. 
painting would be extra!


>

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Re: making a tap for the 5/8-4 acme thread

[MWF]

Joe,I, too, attempted to find a source for the Tap - figuring I'd be helping folks in The Group that wanted/needed one.I contacted a significant distributor - and here is the reply I received after their two to three day attempts to source a tap for me:(Note - there was more info in their reply - but it had a "non-disclosure" warning at the bottom.  Don't feel its worth seeking their "permission" to share it - because it is of no value since the "bottom line" is:  They can't source the tap.)It appears that your method is the way to go.  Perhaps you (or Tim if he has a tap) can calculate how much it will cost you to make a number of the blocks with your tap and let The Group know what we'd be looking at cost wise (with your profit and S&H included in the price).  Based upon that, you could take orders - if that's a viable task for you to entertain.Have a Wonderful Week - and thank you for sharing you thoughts and efforts with The Group.MacSorry,  but Your Quote Request below will be a No Quote for Xxx (the corp's name was here).
I have Checked with Our Sources and they say that a 5/8-4 is too coarse of a thread

Thank You for the Opportunity to Quote.
 
NONSTOCK REQUEST

 
ITEM #/EDP #/ MODEL # N/A  

 
BRAND NAME / OR IF BRAND SPECIFIC:N/A
 
DESCRIPTION OF ITEM:  5/8 DIAM – 4 PITCH,  ACME THREAD ROD  TAP
LENGTH 2 INCHES
USING ON NYLON AND DELRIN
 
QUANITY NEEDED: 2 TO 4 - POSSIBLY MORE 
-Original Message-
From: 'joe biunno' via Legacy Ornamental Mills 
Sent: Aug 7, 2017 12:47 PM
To: Legacy Ornamental Mills 
Subject: making a tap for the 5/8-4 acme thread

starting a dedicated topic for this as I think it warrants it...got an email from a tool supplier that services the metal working industry in regards to obtaining a factory made, 5/8-4 acme thread, right hand tap...it would have to be made to order...here is the quote...5/8-4 acme tap, I am quoting you a 4pc set (semi rougher, rougher, semi finisher, finisher) $717.00 5-7 days TO MANUFACTURE8” OVERALL LENGTH3” THREAD LENGTH This is a “No guarantee no return”Victor Machinery Exchange33-53 62nd StreetWoodside, NY 11377Phone: 718-899-1502Fax: 718-899-0556www.victornet.comnow, this quote was for a 4 pc. set, which they took it upon themselves to quote...we only need 1 tap, and I am sure that you could order just the one tap that is needed, but I would think that it would come at a premium price...my guess that it would be about $300.00 for the one tap...certainly not what I would want to spend, so we  decided to make the tap from some leftover acme rod we had(see photos attached)...we made a four flute tap with the end a bit longer...the end matches the diameter of the hole you would need to pre-drill into the delrin or nylon, before you begin to use the tap...the idea being that the tap would have a better chance of going straight through the material being used...did a test on some white delrin and it worked very well...the test piece easily threads onto the lead screw, with little to no play...took about 1 1/2 hrs. to make...thinking about making a few split nuts and then putting the tap away for future generations to use...LOL!...more to follow...joe b.



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