Standard: NAS 1097 - 2018
Available sizes: 3 to 5 (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 0.1957 | 0.0106 | 0.0141 | 0.125 | 0.127 | 0.1884 | 0.1742 | 0.139 | 0.188 | 0.029 | 0.124 |
| 4 | 0.3016 | 0.021 | 0.025 | 0.187 | 0.189 | 0.2966 | 0.2824 |
| 0.203 |
| 0.281 |
| 0.046 |
| 0.186 |
| 5 | 0.3948 | 0.0232 | 0.0278 | 0.250 | 0.252 | 0.3898 | 0.3756 | 0.321 | 0.375 | 0.06 | 0.249 |
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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