Standard: Q 623
Available sizes: M16 to M24 (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M16 | 1.5 | 30.14 | 26.67 | 2.5 | 12.12 | 20.5 | 18 | 14 | 27 | 12 | 12 |
| M20 | 2 | 45.63 | 40.38 | 5 | 20.14 | 27 | 24 | 23 | 41 | 16 | 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.
| M24 |
| 2 |
| 61.31 |
| 54.26 |
| 8 |
| 30.14 |
| 36 |
| 32 |
| 34 |
| 55 |
| 20 |
| 30 |
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