Standard: GB /T 96.1 - 2002
Available sizes: (Φ3.5) to Φ6 (5 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 96.1 |
| DIN | DIN EN ISO 7093-1 |
| ISO | ISO 7093-1 |
| UNI | UNI 6593 |
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| (Φ3.5) | 5.3 | 1 | 1.1 | 5.48 | 15 | 1.21 | 14.57 | 0.9 |
| Φ3 | 3.7 | 0.8 | 0.9 | 3.88 | 11 | 0.529 | 10.57 | 0.7 |
| Φ4 | 8.4 | 2 | 2.2 | 8.62 | 24 |
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.
| 6.23 |
| 23.48 |
| 1.8 |
| Φ5 | 13 | 3 | 3.3 | 13.27 | 37 | 22.19 | 36.38 | 2.7 |
| Φ6 | 15 | 3 | 3.3 | 15.27 | 44 | 31.64 | 43.38 | 2.7 |
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