Available sizes: 1/4 to 3/16 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/4 | 5.05 | 5.5 | 1 | 3.38 | 7.19 | 4.95 | 3.53 | 6.79 | 2.29 | 3.68 | 7.59 |
| 1/8 | 0.189 | 0.205 | 0.040 | 0.126 | 0.270 | 0.185 | 0.132 | 0.255 | 0.090 | 0.138 | 0.285 |
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.
| 3 | 6.05 | 6.5 | 1 | 4.09 | 8.13 | 5.95 | 4.24 | 7.73 | 2.29 | 4.39 | 8.53 |
| 3/16 | 3.05 | 3.5 | 1 | 1.96 | 5.2 | 2.95 | 2.11 | 4.8 | 2.29 | 2.26 | 5.6 |
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