I have a M8 bolt what size do i drill to tap it out with a M8 tap?
m8 nuts and tap cuts
- Thread starter markymark2406
- Start date
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M8 x 1.0 = 7mm drill.
M8 x 1.25 = 6.75mm (or 6.8mm) drill.
M8 x 1.25 = 6.75mm (or 6.8mm) drill.
GaryMo is of course correct, but realistically, you'll be able to tap out a 6.8 hole to M8x1.0 or M8x1.25 no problem as long as you use a tapping lubricant.
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