Engineering Tools
Reference data for specifying and sourcing fasteners correctly — the numbers a procurement or design engineer actually needs.
DIN 916 — Grub / set screw (cup point)
Also referenced as: ISO 4029
Sourced dimensionsHeadless screw, fully threaded, driven by a hex socket in the body itself. Used to lock a collar or pulley onto a shaft.
| Size | Socket size (across flats) |
|---|---|
| M6 | 3 mm |
| M8 | 4 mm |
| M10 | 5 mm |
| M12 | 6 mm |
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