Standard: CNS 5015 - 1979
Available sizes: 13 to 23 (4 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| 13 | 30 | 4 | 14.6 | 1.6 | 1.9 | 1 | M16 |
| 17 | 39 | 4 | 24.3 | 2 | 2.5 | 1 | M22 |
| 21 | 50 | 5 | 50.2 | 2.5 | 3 | 1 | M27 |
| 23 |
| 66 |
| 6 |
| 115 |
| 3 |
| 3.5 |
| 1.5 |
| 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.
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