Thread: drill size
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09-08-2011 #2
if you know the pitch of the thread, take it from the diameter.
thread size - pitch = tapping drill size
m5 - 0.8 = 4.2
m6 - 1 = 5
m8 - 1.25 = 6.75
m10 - 1.5 = 8.5
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