Standard: ASTM F 3394
Available sizes: M14 to M24 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| M14 | 16.5 | 3.1 | 4 | 19 | 26 | 29 |
| M16 | 20.5 | 3.1 | 4 | 23 | 33 | 36 |
| M18 | 25 | 3.4 | 5 | 28 | 40 | 44 |
| M20 | 31 | 4 | 6 | 34 | 52 | 56 |
| M22 |
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.
| 37 |
| 4 |
| 7 |
| 40 |
| 63 |
| 67 |
| M24 | 40 | 4 | 7 | 43 | 68 | 72 |
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