Standard: Q 472
Available sizes: Φ2 to Φ6 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| Φ2 | 3.06 | 1.7 | 1.3 | 2.94 | 5.64 | 0.7 | 5.16 | 0.1 |
| Φ3 | 5.08 | 2.7 | 2.3 | 4.92 | 9.29 | 1 | 8.71 | 0.3 |
| Φ4 | 8.1 | 4.24 | 3.76 | 7.9 | 14.75 | 1 | 14.05 | 0.3 |
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.
| Φ5 | 12.12 | 6.24 | 5.76 | 11.88 | 20.42 | 1.5 | 19.58 | 0.4 |
| Φ6 | 16.12 | 8.29 | 7.71 | 15.88 | 28.42 | 1.5 | 27.58 | 0.4 |
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