Standard: CNS 4237 - 2000
Available sizes: (M14) to M16 (4 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| (M14) | 3 | 35 | 33.2 | 39.55 | 0.8 | 24 | 20.2 | 36 | 25.9 | 21.5 |
| M10 | 1.75 | 17.73 | 16.6 | 20.03 | 0.6 | 12 | 10.37 | 18 | 13 |
| 10.8 |
| M12 | 2 | 23.67 | 22.5 | 26.75 | 0.8 | 16 | 14.1 | 24 | 17.3 | 14.8 |
| M16 | 4 | 53.8 | 51.1 | 60.79 | 0.8 | 36 | 29.4 | 55 | 38.9 | 31 |
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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