Standard: HB 6315 - 2002
Available sizes: 2.5 to 3.5 (3 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 2.5 | 3.1 | 0.060 | 4.2 | 0.77 | 3 | 5.9 | 1.1 | 0.2 | 6.87 | 0.67 |
| 3 | 4.1 | 0.142 | 5.6 | 0.84 | 4 | 7.6 | 1.3 | 0.4 | 8.5 | 0.74 |
| 3.5 | 6.15 | 0.441 |
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.
| 8.4 |
| 1.1 |
| 6 |
| 11.3 |
| 1.8 |
| 0.4 |
| 12.23 |
| 1 |
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