Standard: CB /T 3818
Available sizes: M22 to M36 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| M22 | 32 | 720 | 6.2 | 26 | 52 | 505 |
| M24 | 44 | 880 | 12.1 | 32 | 69 | 635 |
| M27 | 52 | 985 | 21.3 | 41 | 78 | 720 |
| M30 | 64 | 1135 | 35.9 | 50 | 94 | 845 |
| M36 |
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.
| 68 |
| 1160 |
| 43.8 |
| 57 |
| 104 |
| 870 |
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