Standard: CNS 4404
Available sizes: 2.2 to 5.3 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| 2.2 | 2.7 | 10 | 0.03 | 2.84 | 5.1 | 0.2 | 2.5 |
| 2.7 | 3.7 | 12 | 0.075 | 3.88 | 7 | 0.25 | 3.5 |
| 3.2 | 5.3 | 14 | 0.2 | 5.48 | 9.8 | 0.3 | 5 |
| 3.7 | 8.4 | 18 | 0.5 | 8.62 | 15.3 | 0.4 | 8 |
| 4.3 | 12.5 | 26 | 1.5 | 12.77 | 23 | 0.5 | 12 |
| 5.3 | 16.5 | 30 | 2.4 | 16.77 | 30.2 | 0.6 | 16 |
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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