Standard: ZQ 4337 - 2006
Available sizes: 10 to 8 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| 10 | 22 | 7.8 | 52 | 22.52 | 40 | 3 |
| 12 | 32 | 10.2 | 140 | 32.62 | 60 | 3 |
| 16 | 38 | 11.4 | 210 | 38.62 | 70 | 3 |
| 6 | 9 | 4.2 | 6 | 9.36 | 18 |
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.
| 2 |
| 8 | 13 | 5.4 | 15 | 13.43 | 28 | 2 |
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