Standard: HB 3041 - 1989
Available sizes: 3.2 to 6 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3.2 | 6 | 6 | 0.5 | 15 | 2 | 6.15 | 6.03 | 6 | 7 | 70 | 7 |
| 5 | 7 | 6 | 0.5 | 18 | 2.5 | 7.15 | 7.03 | 7 |
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 |
| 80 |
| 8 |
| 5.5 | 11 | 9 | 1 | 29 | 3 | 11.19 | 11.04 | 11 | 12 | 100 | 12 |
| 6 | 12 | 10 | 1 | 29 | 3 | 12.24 | 12.04 | 11 | 13 | 100 | 13 |
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