Standard: QC /T 928 - 2013
Available sizes: 06 to 10 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 06 | 5.0 | 9.0 | 7.0 | 6.35 | 6.55 | 5.2 | 8.0 | 11.0 | 13.5 | 8.2 | 6.0 |
| 07 | 6.3 | 9.0 | 8.0 | 6.35 | 6.55 | 6.5 | 8.0 |
| 12.5 |
| 13.5 |
| 8.2 |
| 6.0 |
| 08 | 5.0 | 8.0 | 8.0 | 7.85 | 8.05 | 5.2 | 5.0 | 11.0 | 11.0 | 5.2 | 6.0 |
| 09 | 6.3 | 9.0 | 9.0 | 7.85 | 8.05 | 6.5 | 6.3 | 12.5 | 12.5 | 6.5 | 6.0 |
| 10 | 8.0 | 10.0 | 10.0 | 7.85 | 8.05 | 8.2 | 8.0 | 13.5 | 13.5 | 8.2 | 6.0 |
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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