Standard: DIN 705 - 2007
Available sizes: (3.5) to 5 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (3.5) | 5.5 | M4×5 | 1.56 | 5.85 | 12 | 5.518 | 6 | M4 | 1.5 | 6.15 | 11.73 |
| (4.5) | 10 | M5×8 | 3.06 | 9.82 | 20 | 10.022 | 10 | M5 | 3 | 10.18 | 19.67 |
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.
| 2 | 2.5 | M2×3 | 0.86 | 3.85 | 7 | 2.514 | 4 | M2 | 0.8 | 4.15 | 6.78 |
| 2.5 | 3.5 | M2.5×3 | 1.06 | 4.85 | 8 | 3.518 | 5 | M2.5 | 1 | 5.15 | 7.78 |
| 3 | 4.5 | M3×4 | 1.56 | 5.85 | 10 | 4.518 | 6 | M3 | 1.5 | 6.15 | 9.78 |
| 4 | 7 | M4×5 | 1.56 | 7.82 | 12 | 7.022 | 8 | M4 | 1.5 | 8.18 | 11.73 |
| 5 | 12 | M6×8 | 4.075 | 11.785 | 22 | 12.027 | 12 | M6 | 4 | 12.215 | 21.67 |
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