Standard: DIN 70952 - 1976
Available sizes: 10 to 22 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 12.5 | 21 | 12 | 3.925 | 4 | 12.4 | 0.75 | 3 | 18 | 4 | 3.925 |
| 12 | 16.5 | 26 | 14.5 | 4.925 | 5 | 16.4 | 1 |
| 3 |
| 23 |
| 5 |
| 4.925 |
| 14 | 20.5 | 30 | 17.5 | 4.925 | 5 | 20.35 | 1 | 4 | 27 | 5 | 4.925 |
| 16 | 24.5 | 36 | 20 | 5.925 | 6 | 24.35 | 1 | 4 | 32 | 6 | 5.925 |
| 18 | 28.5 | 40 | 23 | 5.925 | 7 | 28.35 | 1 | 5 | 36 | 6 | 6.91 |
| 20 | 32.5 | 45 | 25.5 | 5.925 | 7 | 32.35 | 1.2 | 5 | 41 | 6 | 6.91 |
| 22 | 35.5 | 47 | 26.5 | 5.925 | 7 | 35.35 | 1.2 | 5 | 43 | 6 | 6.91 |
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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