Standard: CNS 4477 - 1981
Available sizes: (M1.8) to M2.5 (7 sizes)
| Size | P | s_max | s_min | k_nominal |
|---|---|---|---|---|
| (M1.8) | / | 0.6 | 1.75 | 2.05 |
| M1 | / | 0.2 | 0.63 | 0.79 |
| M1.2 | / | 0.25 | 0.88 | 1.06 |
| M1.4 | / | 0.25 | 1 | 1.2 |
| M1.6 | / | 0.4 | 1.25 | 1.5 |
| M2 | 1 |
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 |
| 2.5 |
| 2.9 |
| M2.5 | 2 | 1.6 | 3.75 | 4.25 |
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