Standard: CNS 4434 - 1993
Available sizes: (M2.3) to M3 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| (M2.3) | 7 | / | / | 1.2 | 5 | 2.2 | 0.55 |
| (M2.6) | 12 | 2.3 | 2.7 | 2 | 8 | 4.2 | 3.08 |
| (M3.5) | 22 | 3.8 | 4.3 | 3.5 | 15 | 8 | 19.3 |
| M2 |
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.
| 6 |
| / |
| / |
| 1 |
| 4.5 |
| 2 |
| 0.37 |
| M2.5 | 9 | 1.8 | 2.2 | 1.5 | 6 | 3 | 1.26 |
| M3 | 18 | 3.3 | 3.8 | 3 | 10 | 6.5 | 10.5 |
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