Standard: GB 867 - 1986
Available sizes: (Φ1.2) to Φ1.4 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| (Φ1.2) | 2.56 | 1.8 | 1.4 | 2.44 | 4.84 | 0.1 | 4.36 | 2.5 |
| Φ0.6 | 0.84 | 0.6 | 0.4 | 0.76 | 1.6 | 0.05 | 1.2 | 0.74 |
| Φ0.8 | 1.26 | 0.8 | 0.6 | 1.14 | 2.3 | 0.1 | 1.9 | 1.2 |
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.
| Φ1 | 1.66 | 1.2 | 0.8 | 1.54 | 3.2 | 0.1 | 2.8 | 1.6 |
| Φ1.4 | 3.06 | 2 | 1.6 | 2.94 | 5.54 | 0.1 | 5.06 | 2.9 |
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