Standard: DIN 431 - 1982
Available sizes: (G 5/8) to G 3/8 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| (G 5/8) | 60.79 | 55 | 117 | 11.7 | 11 | 53.8 |
| G 1/2 | 50.85 | 46 | 81.3 | 10.58 | 10 | 45 |
| G 1/4 | 35.03/37.29 | 32/34 | 36.4 | 8.58 | 8 | 31/33 |
| G 1/8 | 23.91/22.78 | 22/21 | 14.2 |
| 6.48 |
| 6 |
| 21.16/20.16 |
| G 3/8 | 39.55 | 36 | 43.6 | 9.58 | 9 | 34 |
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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