To tap an M6 thread (pitch 1.0 mm), drill a 5.0 mm hole for standard 6H tolerance. Use 5.1 mm for a looser 7H fit. M6 taps are common in automotive trim, furniture and light machinery brackets.
| Tolerance class | Drill diameter | Pitch | Thread depth |
|---|---|---|---|
| 6H (standard) | 5.0 mm | 1.0 mm | 8–12 mm |
| 7H (loose) | 5.1 mm | 1.0 mm | 8–12 mm |
| 4H (tight) | 4.9 mm | 1.0 mm | 8–12 mm |
Fine pitch M6×0.75 variant available in Handbook Locksmith app.
FAQ
5.0 mm drill for standard M6 thread (6H tolerance, pitch 1.0 mm).
Full M6 thread data in the app
Profile viewer, tolerance calculator, 28 thread types
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← Metric threads | See also: M3 · M4 · M5 · M8 · M10 · M12 · M16 · M20 · Spindle speed calculator