Standard: DIN 9021 - 1990
Available sizes: 2.7 to 5.3 (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 | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 2.7 | 3 | 8.64 | 0.8 | 3.2 | 3.38 | 0.7 | 0.349 | 9 | 0.9 |
| 3.2 | 4 | 11.57 | 1 | 4.3 | 4.48 | 0.9 | 0.774 | 12 | 1.1 |
| 3.7 | 6 | 17.57 |
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.
| 1.6 |
| 6.4 |
| 6.62 |
| 1.4 |
| 2.79 |
| 18 |
| 1.8 |
| 4.3 | 8 | 23.48 | 2 | 8.4 | 8.62 | 1.8 | 6.23 | 24 | 2.2 |
| 5.3 | 10 | 29.48 | 2.5 | 10.5 | 10.77 | 2.3 | 12.2 | 30 | 2.7 |
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