Standard: ZQ 4180 - 2006
Available sizes: G 1 to G 5/8 (7 sizes)
| Size | P | s_max | s_min | k_nominal |
|---|---|---|---|---|
| G 1 | 34.5 | 45 | 3 | 6.9 |
| G 1 1/2 | 79.5 | 90 | 3 | 29.8 |
| G 1 1/4 | 69.5 | 80 | 3 | 22.2 |
| G 1 1/8 | 49.5 | 58 | 3 | 9.3 |
| G 1/2 | 9.5 | 18 | 2 | 1.26 |
| G 3/4 | 24.5 | 35 | 2 | 4.6 |
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.
| G 5/8 | 14.5 | 25 | 2 | 1.55 |
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