EngiRef / Metric Bolt Specification

M10

M10 coarse-thread metric bolt: 1.5 mm pitch, 10 mm major diameter. Tensile stress area 58 mm² per ISO 898-1. Takes a 17 mm wrench. Free bolt specification…

Specification

Size
M10
Pitch (mm)
1.5
Major diameter d (mm)
10
Minor diameter d₃ (mm, external thread)
8.16
Tensile stress area (mm²)
58
Head height (mm)
6.4
Head diameter (mm)
16
Wrench size (mm)
17

Tensile stress area follows ISO 898-1, At = (π/4)(d − 0.9382p)². Verify against the current standard and the fastener manufacturer's data before safety-critical design.