Standard: SN 421
Available sizes: 10 to 8 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 15.89 | 12 | 1.5 | 16 | 28 | A | 46.5 | 6 | 0.6 | 34 |
| 4 | 4.93 | 4 | 0.5 | 5 | 9 | A | 15 | 3.2 | 0.4 | 10.7 |
| 5 | 5.93 | 6 | 1 |
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.
| 8 |
| 14 |
| A |
| — |
| 4 |
| 0.5 |
| 17.5 |
| 6 | 11.89 | 9 | 1.25 | 12 | 22 | A | 36 | 5 | 0.5 | 26 |
| 8 | 13.89 | 10 | 1.5 | 13.5 | 25 | B | — | 6 | 0.6 | 30 |
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