Standard: DIN 46288 - 1974
Available sizes: 2.5 to 4 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.5 | 3.2 | 6.85 | 7 | 6.1 | 2.5 | 3.5 | 6 | 6.85 | 7.15 | 5.9 | 7 |
| 3 | 4.3 | 9.85 | 10 | 8.1 | 3 | 4.6 | 8 | 9.85 | 10.15 | 7.9 | 10 |
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.
| 3.5 |
| 5.3 |
| 13.8 |
| 14 |
| 11.7 |
| 4.2 |
| 5.6 |
| 11.5 |
| 12.8 |
| 13.2 |
| 11.3 |
| 13 |
| 4 | 6.4 | 19.8 | 20 | 18.7 | 6.2 | 6.76 | 18.5 | 19.8 | 20.2 | 18.3 | 20 |
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