Standard: CNS 4315 - 1983
Available sizes: M10 to M8 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 2.5 | 111 | 30 | 21 | 35 | 1.5 | 2 | 14 | 10.8 | 34.6 | 17 |
| M4 | 0.8 | 1.55 | 8 | 6 | 10.5 | / | / |
| 3.2 |
| 3 |
| 9.2 |
| 4 |
| M5 | 1.25 | 5.3 | 13 | 8.9 | 14 | 1 | / | 5.5 | 4.6 | 15 | 6.4 |
| M6 | 1.75 | 19 | 19 | 13.5 | 22.5 | 1.5 | / | 8 | 6.8 | 21.9 | 9.6 |
| M8 | 2 | 37.1 | 24 | 16.5 | 27.5 | 1.5 | / | 10.5 | 8.8 | 27.7 | 12.5 |
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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