Standard: KS B 1012
Available sizes: (M3.5) to M3 (5 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| (M3.5) | 1.25 | 12.73 | 14.38 | 4.0 | 8.0 | 8.75 | 2.96 | 13.00 | 11.6 | 3.7 |
| M1.6 | 0.4 | 3.82 | 4.32 | 1.20 | 2.0 | 2.3 | 0.76 | 4.00 | 3.1 |
| 0.95 |
| M2 | 0.5 | 5.32 | 6.01 | 1.80 | 3.0 | 3.45 | 1.24 | 5.50 | 4.6 | 1.55 |
| M2.5 | 0.7 | 6.78 | 7.66 | 2.20 | 4.0 | 4.6 | 1.56 | 7.00 | 5.9 | 1.95 |
| M3 | 1 | 9.78 | 11.05 | 3.2 | 6.0 | 6.75 | 2.32 | 10.00 | 8.9 | 2.9 |
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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