[USMA:48350] Fw: Why no 18 mm Sockets or Wrenches in Standard Metric Sets

2010-08-11 Thread Paul Trusten
Randy, I am posting your question to the USMA listserver, and I'm confident that one of our list subscribers will have an answer for you and reply to your question. Paul - Original Message - From: Randwulf Technologies To: Paul Trusten Sent: 10 August, 2010 11:45 Subject: Why no 18

[USMA:48352] Re: US $1 coins

2010-08-11 Thread John M. Steele
I don't think it has anything to do with metric.  The $1 bill fits in our wallets with other bills.  The $1 coin has to be carried as change.  To carry a given dollar amount, the coin is more than 8X heavier.  It is also slightly more volume after packing factor is considered.  We have vending

[USMA:48353] Re: Fw: Why no 18 mm Sockets or Wrenches in Standard Metric Sets

2010-08-11 Thread John M. Steele
My open-end wrench set and my half-inch drive socket set both include 18 mm (I checked), so I can't relate to the statement they aren't sold here. In ANSI/ISO thread spec, 18 mm is the A/F (across flats) head size for a 12 mm bolt. In the DIN and JIS standards, 18 mm is not used, they jump from 17

[USMA:48354] Fw: Fw: Why no 18 mm Sockets or Wrenches in Standard Metric Sets

2010-08-11 Thread John M. Steele
This chart disagrees with the other one I consulted (and I probably trust this more): http://www.sizes.com/tools/socket_wrenches_metric.htm It says 18 mm is strictly an ANSI spec head, all other specs use 17 mm or 19 mm heads for 12 mm bolt. However it does show 18 mm sockets as available in the

[USMA:48355] RE: Fw: Fw: Why no 18 mm Sockets or Wrenches in Standard Metric Sets

2010-08-11 Thread brian
I have 18mm sockets and wrenches. This is simply that the use of 18mm is much more rare than 17 or 19. Usually "sets" are collections of tools that are used most commonly. (Especially the less expensive or smaller sets.)If you get a more complete set (go to Sears and check out a complete

[USMA:48356] 2,200-year-old gold coin found in Israel

2010-08-11 Thread John M. Steele
. http://www.google.com/hostednews/afp/article/ALeqM5hqHOZQm_vnrceW481BMSphXSyQTg Of course, AP can't admit that grams exist, and don't understand Imperial/Customary well enough to use the right ounce, so it has grown to 1 (av) oz.  http://news.yahoo.com/s/ap/20100811/ap_on_re_mi_ea

[USMA:48357] RE: US $1 coins

2010-08-11 Thread Al Lawrence
Americans do not like the $1 because we already carry too much change in our pockets. That is because we have all those silly pennies, nickels and dimes. Most sensible countries tend to round their prices to whole numbers. A hamburger that costs $3 in most countries will have a listed

[USMA:48358] Re: USA $1 Coins

2010-08-11 Thread Michael G. Koerner
Subject: [USMA:48352] Re: US $1 coins From: John M. Steele jmsteele9...@sbcglobal.net Date: Wed, 11 Aug 2010 03:31:51 -0700 (PDT) To: U.S. Metric Association usma@colostate.edu I don't think it has anything to do with metric. The $1 bill fits in our wallets with other bills. The $1 coin has

[USMA:48359] Re: USA $1 Coins

2010-08-11 Thread John M. Steele
Your analysis does not negate 8X the weight. The volume comparison depends on how you do it.  Dollar bills form nice, rectangular solid packs.  coin stacks give cylinders and shipping requires hex close pack packing to form rectangular shapes.  Using US Treasury dimensions, a million paper