Thread prep

M8 x 1.25 Tap Drill

Tap drill and clearance reference for M8 x 1.25.

75% thread engagementMETRIC_COARSE standard
Tap drillSee decimal
Decimal0.2677 in / 6.8 mm
Fit typeClearance hole
Close fit8.4 mm
Normal fit9 mm
Loose fit10 mm