Standard: CNS 4469 - 1983
Available sizes: (M7) to M8 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (M7) | 2 | 22 | 3.5 | 19 | 24.49 | 1.5 | / | 16 | 11 | 19.8 | / |
| M10 | 2.5 | 32 | 5.5 | 30 | 33.72 | 2 | 1.5 | 26 | 18 | 28.8 | / |
Standard corrosion protection for indoor and mild outdoor environments.
Salt spray: 96–200 hours | RoHS compliant (trivalent chromium)
High-performance coating for automotive, marine, and harsh environments.
Salt spray: 720–1500 hours | Recommended for grade 8.8+
Heavy-duty protection for structural and outdoor applications.
Salt spray: 500–1000 hours | Thread tolerance adjustment required
Note for high-strength fasteners (Grade 10.9, 12.9): Electroplating processes require hydrogen embrittlement relief baking (minimum 4 hours at 200°C within 4 hours of plating). Contact our engineering team for grade-specific plating recommendations.
Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.
| M12 |
| / |
| 41 |
| 5.5 |
| 38 |
| 45.63 |
| / |
| 1.5 |
| 30 |
| 22 |
| 36.9 |
| / |
| M4 | 0.8 | 8 | 1.4 | / | 8.87 | / | / | 6 | 4 | 7.2 | / |
| M5 | 1 | 11 | 2 | / | 12.12 | / | / | 8 | 5.5 | 9.9 | / |
| M6 | 1.5 | 17 | 2.8 | / | 18.9 | 1.25 | 1 | 12 | 8 | 15.3 | / |
| M8 | 2.5 | 27 | 4.5 | 25 | 30.14 | 2 | 1.5 | 21 | 15 | 24.3 | / |
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