Standard: HB 1
Available sizes: 2 to 3.8 (8 sizes)
| Size | P | s_max | s_min |
|---|---|---|---|
| 2 | 2.4 | 2.3 | 1 |
| 2.3 | 2.9 | 2.8 | 1 |
| 2.6 | 3.32 | 3.2 | 1 |
| 2.8 | 3.92 | 3.8 | 1 |
| 3 | 4.32 | 4.2 | 1 |
| 3.2 | 4.92 | 4.8 | 1 |
| 3.5 | 5.32 | 5.2 | 1 |
| 3.8 | 5.62 | 5.5 |
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.
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