Standard: EN 2897 - 1996
Available sizes: 030 to 060 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 030 | MJ4×0.7-4h6h | 1.1 | 2.5 | 8 | 7.7 | 4 | 4.01 | 3 | 3 | 3.965 | 6.7 |
| 040 | MJ6×1-4h6h | 1.5 | 3.7 | 12 | 11.7 | 6 | 6.01 |
| 4.2 |
| 4.7 |
| 5.965 |
| 10.7 |
| 050 | MJ8×1-4h6h | 1.9 | 5.7 | 16 | 15.7 | 8 | 8.013 | 6.2 | 6.7 | 7.962 | 14.7 |
| 060 | MJ12×1.25-4h6h | 2.4 | 9.3 | 24 | 23.7 | 12 | 12.016 | 9.8 | 10.3 | 11.959 | 22.7 |
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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