Standard: ZQ 4010 - 2006
Available sizes: 10 to 8 (4 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 21 | 48.8 | 5 | 6.4 | 21.52 | 45 | 93200 | 117000 | 44.38 | 5.6 |
| 12 | 31 | 170 | 7 | 9.2 | 31.52 | 70 | 172000 | 269000 | 69.26 | 8 |
| 6 | 8.4 | 3.13 |
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 |
| 2.6 |
| 8.76 |
| 18 |
| 14900 |
| 17000 |
| 17.57 |
| 2.24 |
| 8 | 13 | 12.4 | 3 | 3.95 | 13.43 | 29 | 34100 | 39500 | 28.48 | 3.43 |
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