Standard: DIN 471
Available sizes: 10 to 9 (8 sizes)
| Standard Body | Standard Number |
|---|---|
| DIN | DIN 471(-2) |
| UNI | UNI 7435 |
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| 10 | 1 | 1.7 | 3.8 | 0.94 | 15.8 | 0.820 | 15.34 | 2.3 |
| 3 |
| 0.4 |
| 1 |
| 2.2 |
| 0.35 |
| 3.74 |
| 0.022 |
| 3.55 |
| 0.9 |
| 4 | 0.7 | 1.2 | 2.7 | 0.65 | 5.64 | 0.084 | 5.45 | 1.3 |
| 5 | 0.8 | 1.2 | 3.2 | 0.75 | 7.46 | 0.158 | 7.22 | 1.5 |
| 6 | 1 | 1.5 | 3.3 | 0.94 | 9.4 | 0.340 | 8.94 | 1.8 |
| 7 | 1 | 1.7 | 3.3 | 0.94 | 11.1 | 0.500 | 10.64 | 1.8 |
| 8 | 1 | 1.7 | 3.5 | 0.94 | 13 | 0.640 | 12.54 | 2.1 |
| 9 | 1 | 1.7 | 3.7 | 0.94 | 14.8 | 0.700 | 14.34 | 2.2 |
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.
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