Standard: YJT 7004
Available sizes: 16 to 22 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 16 | 0.60 | 0.7 | 16.09 | 15.34 | 3.6 | 0.55 | 15.7 | 1.7 | 16.2 | 15.8 | 2.4 |
| 17 | 0.80 | 0.9 | 17.89 | 17.14 | 3.7 | 0.75 | 17.5 | 2.0 | 18 | 17.6 | 2.6 |
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.
| 18 | 1.20 | 1.3 | 20.85 | 20.08 | 4.0 | 1.14 | 20.5 | 2.0 | 21 | 20.63 | 2.8 |
| 19 | 1.20 | 1.3 | 22.69 | 21.78 | 4.2 | 1.14 | 22.2 | 2.0 | 22.9 | 22.41 | 3.0 |
| 20 | 1.20 | 1.3 | 24.69 | 23.78 | 4.4 | 1.14 | 24.2 | 2.0 | 24.9 | 24.41 | 3.1 |
| 22 | 1.50 | 1.6 | 27.39 | 26.48 | 4.7 | 1.44 | 26.9 | 2.0 | 27.6 | 27.11 | 3.4 |
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