M12 Screw Size and Thread Pitch
M12 = 12.0 mm outer diameter, 1.75 mm coarse pitch, 10.2 mm tap drill, 19 mm hex head. Torque ≈ 85 N·m (8.8 steel).
Open the interactive Standards & Sizes tool →Key facts
| Outer diameter | 12.0 mm |
|---|---|
| Pitch (coarse) | 1.75 mm |
| Tap drill | 10.2 mm |
| Hex head A/F | 19 mm |
| Tightening torque | 85 N·m (8.8) |
Frequently asked questions
What is the pitch of an M12 screw?
The standard coarse pitch for M12 is 1.75 mm; outer diameter is 12.0 mm.
What wrench fits an M12 bolt?
A 19 mm wrench fits the standard M12 hex bolt head.
Related pages
M12 Screw is part of Standards & Sizes on GOAT Lab — a free reference you can use without signing up, and it works offline. Open the tool above for any custom value.
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