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Drill Bit size for Stoney Point tool

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29 December 2007, 09:12
jb177
Drill Bit size for Stoney Point tool
What size drill bit is needed for the 5/16-36 tap? I need to make up some more cases.
29 December 2007, 15:34
hivelosity
9/32"
29 December 2007, 19:30
OldGuy
I use an "I"


If a day goes by when you don't learn something - it was a Total Loss!
29 December 2007, 21:30
muck
The I's have it

muck
29 December 2007, 21:49
pdpdad
Proper size is .282-.286 diameter.
Best fit is 9/32 at .2812 or "K" at .2811 or
7.2mm at .2835.
I=.2720 not a problem in a soft metal.
Pat