Standard: HB 4277 - 2004
Available sizes: 2 to 8 (8 sizes)
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| 2 | 011 | A2*80 | 0.45 | 1.7 | 011-1 |
| 2.5 | 013 | A3*90 | 0.7 | 2.8 | 013-1 |
| 3 | 015 | A3*90 | 1 | 4 | 015-1 |
| 4 | 017 | A5*100 | 1 | 6 | 017-1 |
| 5 | 019 |
| A5*100 |
| 1 |
| 8 |
| 019-1 |
| 6 | 021 | A5*100 | 1.5 | 7 | 021-1 |
| 7 | 023 | A6*110 | 1.75 | 9 | 023-1 |
| 8 | 024 | A6*110 | 1.5 | 11 | 024-1 |
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.
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