Standard: DIN 3017
Available sizes: 25 to 78 (6 sizes)
| Size | P | e | r | k_min | s_max | s_min | ds_max | ds_min | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 25 | L | 0.4 | 0.7 | 30.5 | 30~200 | 60~400 | 15 | 0.5 | 29.5 |
| 30 | L | 0.3 | 0.6 | 54.5 | — | — | 20 | 0.4 | 53.5 |
| 48 | L |
| 0.4 |
| 0.7 |
| 78.5 |
| — |
| — |
| 20 |
| 0.5 |
| 77.5 |
| 54 | M | 0.9 | 1.2 | 48.5 | — | — | 23 | 1 | 47.5 |
| 65 | S | 1.4 | 1.7 | 40.5 | 75~350 | 150~700 | 29 | 1.5 | 39.5 |
| 78 | S | 2.9 | 3.2 | 60.5 | — | — | 30 | 3 | 59.5 |
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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