Standard: HB 4
Available sizes: 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2 | 7 | / | 12 | 12 | 4.1 | 4.175 | 14 | / | M8×1 | 13.8 |
| 3 | 2 | 9 | / | 17 | 17 | 7.5 | 7.59 | 17 | / |
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.
| M12×1 |
| 19.6 |
| 4 | 2 | 10 | / | 19 | 19 | 11.9 | 12.01 | 18 | / | M16×1 | 21.9 |
| 6 | 2 | 12 | / | 24 | 24 | 14.2 | 14.31 | 21 | / | M20×1.5 | 27.7 |
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