Standard: ZQ 4336 - 2006
Available sizes: 10.5 to 8.4 (8 sizes)
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| 10.5 | 50 | 97.1 | 8 | 38 | 22 |
| 13 | 60 | 174 | 10 | 45 | 27 |
| 15 | 68 | 226 | 10 | 50 | 30 |
| 3.2 | 12 | 1.24 | 1.6 | 8 | 4 |
| 4.3 | 17 | 4.59 |
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.
| 3 |
| 12 |
| 6 |
| 5.3 | 25 | 12.7 | 4 | 18 | 10 |
| 6.4 | 36 | 39.6 | 6 | 25 | 14 |
| 8.4 | 44 | 77.4 | 8 | 32 | 18 |
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