Standard: DIN 7340 - 1993
Available sizes: Φ1 to Φ2.5 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| Φ1 | 1.23 | 1.85 | 0.3 | 1.17 | 2 | 0.22 | 0.18 | 2.15 | 0.2 |
| Φ1.2 | 1.53 | 2.35 | 0.4 | 1.47 | 2.5 | 0.275 | 0.225 | 2.65 | 0.25 |
| Φ1.5 | 2.55 | 3.8 | 0.5 | 2.45 | 4 |
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.
| 0.33 |
| 0.27 |
| 4.2 |
| 0.3 |
| Φ2 | 3.05 | 4.3 | 0.6 | 2.95 | 4.5 | 0.55 | 0.45 | 4.7 | 0.5 |
| Φ2.5 | 4.07 | 5.75 | 0.8 | 3.93 | 6 | 0.55 | 0.45 | 6.25 | 0.5 |
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