To tap an M10 thread (pitch 1.5 mm), drill a 8.5 mm hole for standard 6H tolerance. Use 8.7 mm for a looser 7H fit. M10 taps are common in structural brackets, suspension parts and machine frames.
| Tolerance class | Drill diameter | Pitch | Thread depth |
|---|---|---|---|
| 6H (standard) | 8.5 mm | 1.5 mm | 12–16 mm |
| 7H (loose) | 8.7 mm | 1.5 mm | 12–16 mm |
| 4H (tight) | 8.3 mm | 1.5 mm | 12–16 mm |
Fine pitch M10×1.25 variant available in Handbook Locksmith app.
FAQ
8.5 mm drill for standard M10 thread (6H, pitch 1.5 mm).
Full M10 thread data in the app
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← Metric threads | See also: M3 · M4 · M5 · M6 · M8 · M12 · M16 · M20 · Spindle speed calculator