Standard: CNS 4378 - 1983
Available sizes: M24 to M56 (6 sizes)
| Size | P | s_max | s_min |
|---|---|---|---|
| M24 | 38 | 60 | 980 |
| M30 | 53 | 80 | 2350 |
| M36 | 70 | 100 | 4250 |
| M42 | 90 | 120 | 7400 |
| M48 | 112 | 145 | 13800 |
| M56 | 125 | 165 | 19400 |
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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