Standard: Q 688
Available sizes: 10 to 8 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| 10 | 16 | 1.5 | 3.0 | 19.0 | 2.5 | 20 | 8.5 |
| 12 | 23 | 2.0 | 4.0 | 26.0 | 3.0 | 24 | 8.5 |
| 5 | 5 | 1.2 | 1.5 | 6.5 | 1.0 | 14 | 8.5 |
| 6 |
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.
| 9 |
| 1.2 |
| 1.5 |
| 11.0 |
| 2.0 |
| 16 |
| 8.5 |
| 8 | 12 | 1.5 | 2.0 | 15.0 | 2.5 | 18 | 8.5 |
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