Standard: CNS 4653 - 1983
Available sizes: (M1.8) to M2 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| (M1.8) | 2.8 | 2.05 | 2,2.5,3,4 | 2.775 | 0.6 | 1.75 |
| M1 | 0.7 | 0.79 | 0.6,0.8,1,1.2 | 0.675 | 0.2 | 0.63 |
| M1.2 | 0.8 | 1.06 | 0.8,1,1.2,1.6 | 0.775 | 0.25 | 0.88 |
| M1.4 | 1.2 | 1.2 | 1,1.2,1.6,2 |
| 1.175 |
| 0.25 |
| 1 |
| M1.6 | 2 | 1.5 | 1.6,2,2.5,3 | 1.975 | 0.5 | 1.25 |
| M2 | 4.5 | 2.9 | 3,4,5,6 | 4.47 | 1 | 2.5 |
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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