Standard: ISO 7091 - 1983
Available sizes: Φ10 to Φ8 (6 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 95 |
| DIN | DIN EN ISO 7091 |
| ISO | ISO 7091 |
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| Φ10 | 22 | 3 | 3.6 | 22.52 | 37 | 35.4 | 2.4 |
| Φ12 | 33 | 4 | 4.6 | 33.62 | 56 | 54.1 | 3.4 |
| Φ14 | 39 | 5 | 6 | 40 | 66 | 64.1 | 4 |
| Φ5 |
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.
| 6.6 |
| 1.6 |
| 1.9 |
| 6.96 |
| 12 |
| 10.9 |
| 1.3 |
| Φ6 | 11 | 2 | 2.3 | 11.43 | 20 | 18.7 | 1.7 |
| Φ8 | 15.5 | 2.5 | 2.8 | 15.93 | 28 | 26.7 | 2.2 |
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