Standard: ANSI B 27.7
Available sizes: 10 to 9 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 0.512 | 0.9 | 1.35 | 0.9 | 0.96 | 14.25 | 14.5 | 1.2 | 2.9 | 14.12 | 0.84 |
| 11 | 0.591 | 0.95 | 1.65 | 0.9 | 0.96 | 16.6 | 16.85 | 1.5 |
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.
| 3.3 |
| 16.47 |
| 0.84 |
| 12 | 0.669 | 0.95 | 1.7 | 0.9 | 0.96 | 18.9 | 19.15 | 1.5 | 3.4 | 18.77 | 0.84 |
| 13 | 0.748 | 1 | 1.8 | 0.9 | 0.96 | 21.1 | 21.35 | 1.5 | 3.6 | 20.97 | 0.84 |
| 14 | 0.826 | 1.2 | 2.1 | 0.9 | 0.96 | 23.3 | 23.7 | 1.5 | 4 | 23.05 | 0.84 |
| 8 | 0.354 | 0.65 | 1.25 | 0.6 | 0.66 | 10 | 10.25 | 1 | 2.1 | 9.87 | 0.54 |
| 9 | 0.433 | 0.7 | 1.3 | 0.6 | 0.66 | 12.2 | 12.45 | 1 | 2.5 | 12.07 | 0.54 |
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