Standard: ASTM F 959
Available sizes: M16 to M24 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M16 | 20.95 | 3.6 | 3.6 | 46.00 | 44.00 | 21.05 | 29.0 | 5 | 6 | 44.00 | 46.00 |
| M20 | 25.15 | 4.0 | 4.0 | 55.20 | 52.80 | 25.25 | 38.0 |
| 6 |
| 7 |
| 52.80 |
| 55.20 |
| M22 | 31.45 | 4.8 | 4.0 | 69.00 | 66.00 | 31.55 | 46.5 | 7 | 8 | 66.00 | 69.00 |
| M24 | 37.75 | 4.8 | 4.8 | 82.80 | 79.20 | 37.85 | 56.0 | 8 | 9 | 79.20 | 82.80 |
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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