Standard: HB 8051 - 2002
Available sizes: MJ5 to MJ8 (3 sizes)
| Size | P | e | r | k_max | k_min | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| MJ5 | 1 | 10.57 | 11 | 9.1 | 9.3 | 14 | 6.65 | 6.5 | 13.82 | 7.2 |
| MJ6 | 1.25 | 14.07 | 14.5 | 14.1 | 14.3 | 20 | 10.68 | 10.5 | 19.79 |
| 11.8 |
| MJ8 | 1.5 | 17.57 | 18 | 19.1 | 19.3 | 26 | 14.68 | 14.5 | 25.79 | 15.8 |
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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