Standard: JB /T 5084 - 2007
Available sizes: 10 to 9 (8 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 16 | 2.4 | 2 | 1.5 | 1.45 | 16.25 | 30 | 23.15 | 22.85 | 29.75 | 23 |
| 11 | 18 | 2.4 | 2 | 1.5 | 1.45 | 18.25 | 32 |
| 25.15 |
| 24.85 |
| 31.75 |
| 25 |
| 12 | 20 | 3.4 | 3 | 1.5 | 1.45 | 20.25 | 36 | 28.15 | 27.85 | 35.75 | 28 |
| 13 | 22 | 3.4 | 3 | 1.5 | 1.45 | 22.25 | 38 | 30.15 | 29.85 | 37.75 | 30 |
| 6 | 7 | 1.9 | 1.5 | 1 | 0.95 | 7.25 | 17 | 12.15 | 11.85 | 16.75 | 12 |
| 7 | 9 | 1.9 | 1.5 | 1 | 0.95 | 9.25 | 19 | 14.15 | 13.85 | 18.75 | 14 |
| 8 | 12 | 1.9 | 1.5 | 1.5 | 1.45 | 12.25 | 24 | 18.15 | 17.85 | 23.75 | 18 |
| 9 | 14 | 2.4 | 2 | 1.5 | 1.45 | 14.25 | 26 | 20.15 | 19.85 | 25.75 | 20 |
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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