Standard: ZQ 4783 - 2006
Available sizes: 10 to 6 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 12 | 27 | 1.5 | 27×1.5 | 34 | 19 | 20 | 13 | 1.8 | 19.8 | 12 |
| 14 | 20 | 36 | 2.5 | 36×2 | 42 | 28 | 30 |
| 16 |
| 2.4 |
| 29.66 |
| 16 |
| 18 | 32 | 55 | 4 | 52×2 | 56 | 42 | 40 | 22 | 2.4 | 39.66 | 18 |
| 22 | 36 | 65 | 5 | 60×2 | 62 | 50 | 45 | 24 | 2.4 | 44.66 | 20 |
| 6 | 6 | 17 | 1.5 | 16×1.5 | 25 | 11 | 11 | 11 | 1.4 | 10.8 | 8 |
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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