Standard: HB 1
Available sizes: M2.5 to M5 (4 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| M2.5 | 1.7 | 0.98 | 0.73 | 5.4 | 6.4 | 0.5 | 0.1 | 4.49 | 0.3 |
| M3 | 2.5 | 1.68 | 1.43 | 9 | 10 | 0.7 | 0.3 | 6.74 | 0.5 |
| M4 |
| 4 |
| 2.48 |
| 2.42 |
| 14.8 |
| 16 |
| 1 |
| 0.6 |
| 10.61 |
| 0.8 |
| M5 | 5 | 3.09 | 3.03 | 18.8 | 20 | 1 | 0.6 | 13.43 | 0.8 |
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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