Standard: DIN 3021
Available sizes: 13 to 19 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| 13 | 0.8 | 7 | 5.8 | 12 | 9 | 10 | 40 |
| 14 | 0.8 | 7 | 5.8 | 12 | 9 | 10 | 40 |
| 15 | 0.8 | 7 | 5.8 | 12 | 9 | 10 | 40 |
| 16 |
| 1.3 |
| 7 |
| 5.8 |
| 12 |
| 9 |
| 10 |
| 40 |
| 17 | 1.3 | 7 | 5.8 | 12 | 9 | 10 | 40 |
| 18 | 1.3 | 7 | 5.8 | 12 | 9 | 10 | 40 |
| 19 | 1.7 | 7 | 5.8 | 12 | 9 | 10 | 60 |
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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