Available sizes: 1/4 to 5/16 (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/4 | 0.8 | HF109 | 5.13 | 10.05 | 2.6 | / | 10.3 | 1 | 5 | 10.55 | 2.06 |
| 10# | / | HFG8 | 0.255 | 0.497 | 0.125 | 20 | 0.507 | 0.040 |
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.
| 0.250 |
| 0.517 |
| 0.090 |
| 5/16 | 1.25 | HF109 | 8.13 | 16.35 | 3.4 | / | 16.6 | 1.5 | 8 | 16.85 | 3.25 |
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