Standard: Q 660
Available sizes: 5 to 8 (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 6 | 16 | 18.5 | 10 | 8.5 | 6.2 | 6.1 | 14.5 | 20.5 | M12*1.5 | 4.5 |
| 6 | 10 | 21 | 24.2 | 13.7 | 12.5 | 10.2 | 10.1 |
| 18.5 |
| 25.5 |
| M16*1.5 |
| 5.5 |
| 8 | 12 | 24 | 27.7 | 15.7 | 14.5 | 12.2 | 12.1 | 18.5 | 25.5 | M18*1.5 | 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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