Standard: ZQ 4453 - 2006
Available sizes: G 1 to G 5/8 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| G 1 | 50 | 5 | 2 | 45 | 18 | 55 | 0.9 | 35 | 63 |
| G 1 1/2 | 96 | — | 2 | 86 | 20 | 65 | 4.1 | 50 | 80 |
| G 1 1/4 | 84 | — | 2 | 76 | 19 |
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.
| 60 |
| 3.15 |
| 47 |
| 76 |
| G 1 1/8 | 62 | — | 2 | 56 | 16 | 46 | 0.9 | 34 | 60 |
| G 1/2 | 20 | 4 | 1.5 | 15 | 10 | 24 | 0.1 | 17 | 35.5 |
| G 3/4 | 38 | 5 | 2 | 32 | 16 | 46 | 0.6 | 28 | 54 |
| G 5/8 | 29 | 5 | 2 | 22 | 14 | 36 | 0.2 | 24 | 48 |
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