Question #6914   Submitted by Answiki on 10/14/2022 at 07:46:05 AM UTC

What diameter should I pre-drill for an M10 tap?

Answer   Submitted by Answiki on 10/14/2022 at 07:46:47 AM UTC

The pre-drilled diameter of an M10 x 1.5 thread is 8.5 mm.


The pre-drilled diameter for tapping is given by the drilling diameter minus the pitch. For a standard M10 x 1.5 tap, you need to drill to 10 - 1.5 = 8.5 mm.

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Answer by Answiki on 10/14/2022 at 07:46:47 AM

The pre-drilled diameter of an M10 x 1.5 thread is 8.5 mm.


The pre-drilled diameter for tapping is given by the drilling diameter minus the pitch. For a standard M10 x 1.5 tap, you need to drill to 10 - 1.5 = 8.5 mm.

Question by Answiki 10/14/2022 at 07:46:05 AM
What diameter should I pre-drill for an M10 tap?
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