Standard: DIN 5256 - 1997
Available sizes: 12 to 85 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 12 | 2.3 | 60 | / | 235 | 65 | 55 | 40~100 | 70 | 3.5 |
| 19 | 0.9 | 21 | 12 | 140 | 25 | 55 | 8~13 | 29 | 1.2 |
| 40 | 1.8 |
| 34 |
| 14 |
| 180 |
| 38 |
| 55 |
| 19~60 |
| 42 |
| 2.5 |
| 8 | 1.3 | 34 | / | 150 | 38 | 55 | 12~25 | 42 | 1.5 |
| 85 | 3.2 | 64 | 20 | 310 | 70 | 65 | 85~140 | 76 | 4.5 |
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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