Engineering Tools
Reference data for specifying and sourcing fasteners correctly — the numbers a procurement or design engineer actually needs.
DIN 6923 — Flange nut
Also referenced as: ISO 4161
Approximated dimensionsHex nut with an integrated flange washer face — same idea as a flange bolt, on the nut side.
Illustrative — not to scale
| Size | Across flats (S) | Flange diameter (approx.) |
|---|---|---|
| M6 | 10 mm | 15 mm |
| M8 | 13 mm | 18 mm |
| M10 | 16 mm | 22 mm |
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