Standard: YJT 7008
Available sizes: 12 to 20 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 12 | 1.5 | 14.3 | 23.9 | 13.44 | 4.8 | 1.44 | 13.8 | 2 | 25.1 | 13.9 | 2.4 |
| 15 | 1.5 | 16.2 | 26.2 | 15.34 | 5 | 1.44 | 15.7 |
| 2 |
| 27.5 |
| 15.8 |
| 2.6 |
| 16 | 1.5 | 18 | 28.2 | 17.08 | 5.1 | 1.44 | 17.5 | 2 | 29.9 | 17.71 | 2.7 |
| 17 | 1.75 | 21 | 33 | 20.08 | 6 | 1.69 | 20.5 | 2 | 34.5 | 20.71 | 3.1 |
| 18 | 1.75 | 22.9 | 35.5 | 21.78 | 6.3 | 1.69 | 22.2 | 2 | 37.1 | 22.41 | 3.2 |
| 19 | 2 | 24.4 | 37.6 | 23.18 | 6.6 | 1.93 | 23.6 | 2 | 39.7 | 23.81 | 3.3 |
| 20 | 2 | 26.6 | 39.6 | 25.48 | 6.5 | 1.93 | 25.9 | 2 | 41.5 | 26.11 | 3.5 |
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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