Standard: HB 5513 - 1996
Available sizes: 2 to 8 (8 sizes)
| Size | P | e | r | k_min | s_max | s_min | ds_max | ds_min | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 2 | 0.45 | 90° | 40° | 1.5 | 3.22 | 3.4 | 0.13 | 0.18 | 2 |
| 2.5 | 0.7 | 90° | 40° | 2.5 | 5.16 | 5.36 | 0.21 | 0.28 | 3.2 |
| 3 | 1 | 90° | 40° | 3.9 | 7.62 | 7.84 |
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.
| 0.3 |
| 0.4 |
| 4.9 |
| 4 | 1.25 | 80° | 40° | 5.4 | 10.06 | 10.34 | 0.38 | 0.5 | 6.6 |
| 5 | 1.5 | 80° | 40° | 6.8 | 12.52 | 12.8 | 0.45 | 0.6 | 8.3 |
| 6 | 1 | 80° | 40° | 7.9 | 12.08 | 12.36 | 0.3 | 0.4 | 8.9 |
| 7 | 1.5 | 70° | 30° | 8.8 | 14.68 | 14.96 | 0.45 | 0.6 | 10.3 |
| 8 | 2 | 70° | 30° | 9.8 | 17.08 | 17.38 | 0.6 | 0.8 | 11.8 |
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