Standard: DIN 571 - 2016
Available sizes: (7) to 8 (5 sizes)
| Standard Body | Standard Number |
|---|---|
| NF | NF E 25-607 |
| DIN | DIN 571 |
| UNI | UNI 704 |
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| (7) | 16 | 10.45 | 9.55 | 15.3 | 19.2 | 23.16 | 26.17 | 10 | 24 |
| 4 | 5 | 3.88 | 3.13 | 4.52 | 6 | 7.64 | 8.63 | 3.5 | 8 |
| 5 | 7 | 5.38 |
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.
| 4.63 |
| 6.42 |
| 8.2 |
| 11.57 |
| 13.07 |
| 5 |
| 12 |
| 6 | 10 | 7.45 | 6.55 | 9.42 | 12.2 | 16.57 | 18.72 | 7 | 17 |
| 8 | 20 | 13.9 | 12.1 | 19.3 | 24.4 | 29.16 | 32.95 | 13 | 30 |
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