Standard: HB 4
Available sizes: 1 to 6 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | / | 13.8 | 2.6 | 6.5 | / | 3 | 4 | 11 | 1.7 | M8×1 |
| 2 | 2 | 10.2 | 16.2 | 3.6 | 8.5 | / | 4 | 4.5 | 12 | 2.7 | M10×1 |
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.
| 3 |
| 2 |
| 12.2 |
| 16.2 |
| 4.6 |
| 10.5 |
| / |
| 6 |
| 5.5 |
| 13 |
| 3.7 |
| M12×1 |
| 4 | 2 | 14.2 | 19.6 | 6.6 | 12.5 | / | 8 | 5.5 | 13 | 5.5 | M14×1 |
| 5 | 2 | 16.2 | 21.9 | 8.8 | 14.5 | / | 10 | 5 | 14 | 7.5 | M16×1 |
| 6 | 2 | 20.2 | 25.4 | 10.8 | 17.8 | / | 12 | 6.5 | 17 | 9.5 | M20×1.5 |
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