Standard: DIN 9250
Available sizes: 1.6 to 5 (7 sizes)
| Size | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|
| 1.6 | 0.75 | 0.55 | 2.2 | 4 | 0.5 | 0.029 |
| 2 | 0.95 | 0.55 | 3.2 | 5.5 | 0.5 | 0.042 |
| 2.5 | 1.2 | 0.75 | 4.3 | 7 | 0.7 | 0.081 |
| 3 | 1.2 | 0.75 |
| 6.4 |
| 10 |
| 0.7 |
| 0.193 |
| 3.5 | 1.6 | 1.2 | 8.4 | 13 | 1 | 0.557 |
| 4 | 1.85 | 1.3 | 11.6 | 15.9 | 1.3 | 0.825 |
| 5 | 1.85 | 1.3 | 13 | 18 | 1.3 | 1.099 |
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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