International Association of Penturners - View Single Post - Kitless Drill Bits and Misc what do I need now?
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Old 10-31-2017, 11:32 AM   #8 (permalink)
stuckinohio's Avatar
Join Date: May 2015
Location: Columbus Ohio
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It will be the small number with the decimal in front of it, in most cases.

For example:

M7 x .75

The .75 is the pitch, which you subtract from the 7, so 6.25 drill bit.


M14 x .8 for 13.2 drill bit.
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