Standard: YJT 3019
Available sizes: M12 to M20 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| M12 | 2 | 20.67 | 21 | 2.4 | 20.7 | 1.5 | 14 | 13 | 3 | 23.36 |
| M14 | 2.5 | 26.16 | 27 | 3.8 | 26 | 1.5 | 17.6 | 16.9 | 4.2 | 29.56 |
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.
| M16 | 2.5 | 33 | 34 | 3.8 | 34 | 1.5 | 22 | 20.7 | 4.2 | 37.29 |
| M18 | 3 | 40 | 41 | 4.7 | 41 | 2 | 27 | 25.7 | 5.3 | 45.2 |
| M20 | 3.5 | 45 | 46 | 5.6 | 46 | 2 | 30 | 28.7 | 6.4 | 50.85 |
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