Standard: DIN 6899 - 1988
Available sizes: (5) to 8 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (5) | 8 | 2.8 | 2.6 | 20 | 21 | 7.6 | 8.4 | 8 | 2.7 | 10 | 32 |
| (7) | 16 | 3.9 | 3.7 | 36 | 38 | 15.4 | 16.6 | 12.5 | 3.8 | 20 | 58 |
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 |
| 4 |
| 1.3 |
| 1.1 |
| 13 |
| 14 |
| 3.6 |
| 4.4 |
| 4.25 |
| 1.2 |
| 6.5 |
| 21 |
| 4 | 6 | 2.3 | 2.1 | 16 | 17 | 5.6 | 6.4 | 6.5 | 2.2 | 7.5 | 25 |
| 6 | 12 | 3.3 | 3.1 | 28 | 30 | 11.4 | 12.6 | 9.5 | 3.2 | 15 | 45 |
| 8 | 20 | 5.3 | 5.1 | 45 | 47 | 19.4 | 20.6 | 15 | 5.2 | 24.5 | 72 |
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