Standard: CNS 4406 - 1979
Available sizes: 1 to 1.7 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1.3 | 0.009 | 0.22 | 3.3 | 0.35 | 1.55 | 3 | 0.2 | 0.18 | 2.7 | 0.7 |
| 1.2 | 1.8 | 0.02 | 0.27 | 4.375 | 0.45 | 2.05 | 4 | 0.25 | 0.23 | 3.625 | 0.9 |
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.
| 1.4 | 2.2 | 0.028 | 0.33 | 4.875 | 0.5 | 2.45 | 4.5 | 0.3 | 0.27 | 4.125 | 1 |
| 1.7 | 2.8 | 0.041 | 0.33 | 5.875 | 0.55 | 3.05 | 5.5 | 0.3 | 0.27 | 5.125 | 1.1 |
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