Standard: ANSI B 18.2
Available sizes: M12 to M20 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M12 | 2.00 | 40.00 | 34.00 | 23.67 | 27.71 | 14.00 | 13.73 | 9.09 | 8.51 | 24.00 | 26.75 |
| M14 | 2.50 | 52.00 | 46.00 | 33.00 | 39.26 | 20.00 | 19.67 |
| 12.88 |
| 12.12 |
| 34.00 |
| 37.29 |
| M16 | 3.50 | 72.00 | 66.00 | 49.00 | 57.74 | 30.00 | 29.67 | 19.48 | 17.92 | 50.00 | 55.37 |
| M20 | 4.00 | 84.00 | 78.00 | 58.80 | 69.28 | 36.00 | 35.61 | 23.38 | 21.72 | 60.00 | 66.44 |
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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