Standard: CNS 4404
Available sizes: 1.7 to 2.8 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| 1.7 | 1.8 | 0.3 | 9 | 1.94 | 3.8 | 1.7 | 3.5 | 0.02 |
| 1.8 | 2.2 | 0.3 | 9 | 2.34 | 4.5 | 2 | 4.2 | 0.03 |
| 1.9 | 2.7 | 0.4 | 9 | 2.84 | 5.5 | 2.5 | 5.2 | 0.045 |
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.
| 2.2 |
| 3.2 |
| 0.4 |
| 9 |
| 3.38 |
| 6 |
| 3 |
| 5.7 |
| 0.06 |
| 2.5 | 4.3 | 0.5 | 11 | 4.48 | 8 | 4 | 7.64 | 0.14 |
| 2.7 | 5.3 | 0.6 | 11 | 5.48 | 10 | 5 | 9.64 | 0.28 |
| 2.8 | 6.4 | 0.7 | 12 | 6.62 | 11 | 6 | 10.57 | 0.36 |
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