Standard: CNS 5194 - 1980
Available sizes: 2.7 to 7.4 (7 sizes)
| Size | P | s_max | s_min | k_nominal |
|---|---|---|---|---|
| 2.7 | 9 | 0.8 | 0.349 | 3 |
| 3.2 | 12 | 1 | 0.774 | 4 |
| 3.7 | 18 | 1.6 | 2.79 | 6 |
| 4.3 | 25 | 2 | 6.84 | 8 |
| 5.3 | 40 | 3 | 26.5 | 12 |
| 6.4 | 50 | 3 | 40.9 | 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.
| 7.4 |
| 60 |
| 4 |
| 78.2 |
| 20 |
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