Hex nuts, nylock nuts, flange nuts, weld nuts, wing nuts, cap nuts and heavy hex nuts — hot and cold forged in class 6, 8, 10 and 12, in carbon steel, stainless steel and brass, to DIN, ISO, ANSI and GB standards.
All nuts can be supplied as assemblies matched to our bolts, with the same grade and finish.
Standards: DIN 934, ISO 4032, ANSI B18.2.2, GB/T 6170, GB/T 6171
Sizes: M3–M64, 1/4"–2", class 6 / 8 / 10 / 12
Standards: DIN 985, DIN 982, ISO 7040, ISO 7041, ANSI B18.16.6
Sizes: M3–M36, with blue or white nylon ring, class 8 / 10
Standards: DIN 6923, DIN 6927, IFI 145, JIS B1190
Sizes: M5–M20, serrated or smooth flange, plain, zinc or stainless
Standards: DIN 928, DIN 929, JIS B1198
Sizes: M4–M16, square and hex weld nuts with three or four projections
Standards: DIN 315, DIN 1587, DIN 917
Sizes: M4–M16, cold forged wing nuts and domed cap nuts, decorated finishes
Standards: ASTM A194 2H / 7, A563, EN 14399
Sizes: M12–M64, matched to A325 / A490 and B7 stud bolts
Reference data for quotation. Class 6 standard; class 8 and 10 available in the same sizes.
| Size (Metric) | Across Flats (mm) | Height m (mm) | Proof Load Stress (MPa) | Approx. kg / 1000 pcs |
|---|---|---|---|---|
| M6 | 10 | 5.0 | 520 (class 6) | ~2.6 |
| M8 | 13 | 6.5 | 520 (class 6) | ~5.5 |
| M10 | 17 | 8.0 | 520 (class 6) | ~11.0 |
| M12 | 19 | 10.0 | 520 (class 6) | ~17.5 |
| M16 | 24 | 13.0 | 520 (class 6) | ~37.0 |
| M20 | 30 | 16.0 | 520 (class 6) | ~72.0 |
| M24 | 36 | 19.0 | 520 (class 6) | ~125.0 |
| M30 | 46 | 24.0 | 520 (class 6) | ~250.0 |
Proof load values are minimum requirements per ISO 898-2. Ask us for class 8 and class 10 data on request.
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