Engineering reference

Engineering Tools

Reference data for specifying and sourcing fasteners correctly — the numbers a procurement or design engineer actually needs.

ISO 7380 — Button head socket screw

Also referenced as: —

Approximated dimensions

Low-profile dome/button head with a hex socket drive — a compromise between a full socket cap screw and a countersunk screw.

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Illustrative — not to scale

SizeHead diameter (approx.)Head height (approx.)
M6 10.5 mm3 mm
M8 14 mm4 mm
M10 17.5 mm5 mm

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