Standard: JB /T 6013 - 2011
Available sizes: 4 to 8 (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 8 | 23.67 | 24 | 13 | 27 | M16X1.25-6g | M12X1.25-6g | 11 | 2.5 | 6 | 10 |
| 6 | 12 | 29.67 | 30 | 17 | 32.5 | M20X1.5-6g | M16X1.5-6g |
| 13 |
| 2.5 |
| 10 |
| 11.5 |
| 8 | 16 | 40.38 | 41 | 22 | 41 | M27X1.5-6g | M24X1.5-6g | 15 | 3 | 14 | 16 |
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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