Standard: ISO 8434
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 | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 1 3/16 | 31.0 | 34.8 | 24.15 | 24.05 | 28.0 | 28.3 | 34.5 | 34.2 | 12 UN | 24.25 |
| 12 | 1 7/16 | 37.0 | 39.8 | 29.10 | 29.00 | 34.4 | 34.7 |
| 39.5 |
| 39.2 |
| 12 UN |
| 29.20 |
| 16 | 2 | 51.5 | 58.3 | 44.00 | 43.90 | 48.7 | 49.0 | 58.0 | 57.7 | 12 UN | 44.10 |
| 6 | 5/8 | — | 18.3 | 12.00 | 11.90 | 14.5 | 14.7 | 18.0 | 17.7 | 18 UNF | 12.10 |
| 8 | 13/16 | — | 23.3 | 16.60 | 16.50 | 19.1 | 19.3 | 23.0 | 22.7 | 16 UN | 16.70 |
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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