Standard: CNS 4412 - 1981
Available sizes: (M1.8) to M1.6 (3 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| (M1.8) | 5.6 | 0.8 | 0.3 | 2 | 1.975 | 0.85 | 1.6, 2, 2.5, 3 | 1.65 | 0.6 |
| M1.4 | 3 | 0.4 | 0.16 | 0.8 | 0.775 | 0.45 | 0.8, 1, 1.2, 1.6 | 0.96 | 0.32 |
| M1.6 |
| 3.8 |
| 0.5 |
| 0.2 |
| 1.2 |
| 1.175 |
| 0.6 |
| 1, 1.2, 1.6, 2 |
| 1.2 |
| 0.4 |
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.
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