Standard: SZJGJ 001
Available sizes: M2 to M3.5 (4 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| M2 | 0.45 | 0.95 | 1.4 | 0.1 | 5.7 | 5.3 | 2.5 | 1.32 | 1.6 | 1 |
| M2.5 | 0.6 | 1.3 | 2.05 | 0.1 | 8.1 | 7.6 | 3.9 | 1.83 | 2.35 | 2 |
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.
| M3 | 0.8 | 2.29 | 2.8 | 0.2 | 11.2 | 10.8 | 4.9 | 2.83 | 3 | 3 |
| M3.5 | 1.25 | 3.78 | 4.7 | 0.4 | 17.5 | 17.2 | 8.7 | 4.36 | 4.9 | 3 |
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