Standard: DIN 5526 - 1999
Available sizes: 10 to 8 (5 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 13.80 | 6.5 | 5.2 | 5.38 | 13.91 | 22 | 3.85 | 4.15 | 21.48 | 4 |
| 12 | 17.80 | 7.6 | 6.8 | 7.02 | 17.91 | 28 | 4.85 | 5.15 | 27.48 | 5 |
| 14 | 21.76 | 8.6 |
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.
| 6.8 |
| 7.02 |
| 21.89 |
| 33 |
| 5.35 |
| 5.65 |
| 32.38 |
| 5.5 |
| 16 | 26.76 | 9.8 | 8.5 | 8.72 | 26.89 | 40 | 5.85 | 6.15 | 39.38 | 6 |
| 8 | 9.83 | 4.9 | 4.2 | 4.38 | 9.92 | 18 | 3.85 | 4.15 | 17.57 | 4 |
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