Standard: HB 8243 - 2002
Available sizes: MJ10 to MJ8 (6 sizes)
| Size | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| MJ10 | 23.79 | 10.0 | 1.5 | 26.8 | 2.133 | 24 | 9.64 |
| MJ12 | 29.79 | 13.0 | 1.5 | 33.6 | 4.422 | 30 | 12.57 |
| MJ14 | 31.75 | 14.0 | 2/(1.5) | 35.8 | 5.184 | 32 | 13.57 |
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.
| MJ5 |
| 9.85 |
| 4.5 |
| — |
| 11 |
| 0.192 |
| 10 |
| 4.2 |
| MJ6 | 13.82 | 6.0 | 1.25 | 15.5 | 0.434 | 14 | 5.7 |
| MJ8 | 18.79 | 8.0 | 1.5 | 21.1 | 1.131 | 19 | 7.64 |
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