On Tue, Aug 1, 2017, at 10:34 PM, Gene Heskett wrote:
> On Tuesday 01 August 2017 20:33:11 Ken Strauss wrote:
> > you can use a spiral point ("gun") tap to push
> > the swarf ahead of the tap and out of the bottom.
>
> I think that would describe the tap I am using except the flutes and
> cutting edges are straight.
Then its not a spiral point tap. Sounds like a hand tap. Hand taps are for
hand tapping and shouldn't get near machines.
In fact, I don't even use hand taps for hand tapping. Spiral point taps are so
much better that I would _never_ actually buy a hand tap. The only hand taps I
have are ones I was given.
Hand tap:
https://images1.mcmaster.com/mvA/contents/gfx/large/2521a773p2-a02cl.png
Spiral point tap:
https://images1.mcmaster.com/mvA/contents/gfx/large/2523a413p1-a02cl.png
Spiral flute tap:
https://images1.mcmaster.com/mvA/contents/gfx/large/2529a21p1-a02cl.png
That little notch at the tip of the spiral point tap makes a huge difference!
--
John Kasunich
jmkasun...@fastmail.fm
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