Standard: HB 8058 - 2002
Available sizes: MJ3 to MJ6 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MJ3 | 0.7 | 5 | 4.5 | 7.2 | 6.8 | 5.4 | 5.325 | 2.72 | 4.2 | 7 | 2.6 |
| MJ4 | 1 | 7 | 6.56 | 10.2 | 9.8 | 7.4 | 6.31 |
| 2.72 |
| 6.2 |
| 10 |
| 2.6 |
| MJ5 | 1.25 | 9 | 8.56 | 13.2 | 12.8 | 9.5 | 9.41 | 3.22 | 8.2 | 13 | 3.1 |
| MJ6 | 1.5 | 11 | 10.63 | 15.7 | 15.3 | 12 | 11.89 | 3.22 | 10.2 | 15.5 | 3.1 |
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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