Standard: CNS 4654 - 1983
Available sizes: M10 to M8 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| M10 | 2.5 | 26.75 | 14 | 2 | 15 | 24 | 9 | 22.4 | 0.8 |
| M12 | 3.5 | 39.98 | 21 | 2 | 23 | 36 | 14 | 33.4 | 1 |
| M16 | 4.5 | 61.31 |
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.
| 30 |
| 3 |
| 32 |
| 55 |
| 18 |
| 45.6 |
| 1.2 |
| M20 | 5.5 | 83.9 | 40 | 4 | 45 | 75 | 18 | 63 | 2 |
| M6 | 1.25 | 11.05 | 6 | / | 5.5 | 10 | 5 | 9.2 | 0.4 |
| M8 | 1.75 | 18.9 | 9 | / | 8.5 | 17 | 7 | 14.2 | 0.6 |
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