Standard: CNS 11328 - 1985
Available sizes: M12 to M22 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M12 | 2 | 30 | 1.2~2.0 | 10.8 | 9.2 | 16.7 | 15.8 | 26.2 | 31.2 | 10 | 27 |
| M16 | 2.5 | 40 | 1.2~2.0 | 14.9 | 13.1 | 22.8 | 21.6 | 35 |
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.
| 41.6 |
| 14 |
| 36 |
| M20 | 3 | 50 | 1.6~2.4 | 17.9 | 16.1 | 27.8 | 26.6 | 45 | 53.1 | 17 | 46 |
| M22 | 3.5 | 55 | 2.0~2.9 | 20 | 18 | 30.8 | 29.6 | 49 | 57.7 | 19 | 50 |
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