Standard: DIN 7339 - 1993
Available sizes: Φ1.5 to Φ3 (4 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| Φ1.5 | 2.03 | 0.18 | 3.2 | 1.53 | 1.97 | 3.5 | 0.2 | 0.22 | 3.8 | 1.13 |
| Φ2 | 2.55 | 0.225 | 4.2 | 1.9 | 2.45 | 4.5 | 0.25 | 0.275 | 4.8 | 1.5 |
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.
| Φ2.5 | 4.07 | 0.36 | 7.625 | 3.05 | 3.93 | 8 | 0.4 | 0.44 | 8.375 | 2.65 |
| Φ3 | 6.1 | 0.36 | 9.625 | 5.02 | 5.9 | 10 | 0.4 | 0.44 | 10.375 | 4.62 |
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