Standard: ASME B 18.27
Available sizes: 0.0600 to 5/64 (8 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.0600 | NA14-7 | 0.074 | 0.030 | 0.025 | 0.027 | 0.074 | 0.076 | 0.034 | 0.038 | 0.071 | 0.023 |
| 0.199 | NA14-62 | 0.184 | 0.076 | 0.062 | 0.066 | 0.593 |
| 0.597 |
| 0.078 |
| 0.093 |
| 0.587 |
| 0.058 |
| 1/8 | NA14-23 | 0.101 | 0.049 | 0.035 | 0.038 | 0.224 | 0.227 | 0.051 | 0.061 | 0.221 | 0.032 |
| 15/64 | NA14-75 | 0.237 | 0.118 | 0.062 | 0.066 | 0.706 | 0.710 | 0.120 | 0.135 | 0.700 | 0.058 |
| 3/16 | NA14-43 | 0.155 | 0.076 | 0.050 | 0.053 | 0.412 | 0.415 | 0.078 | 0.093 | 0.407 | 0.047 |
| 3/32 | NA14-18 | 0.100 | 0.049 | 0.035 | 0.038 | 0.181 | 0.183 | 0.051 | 0.061 | 0.177 | 0.032 |
| 5/32 | NA14-31 | 0.145 | 0.076 | 0.042 | 0.045 | 0.298 | 0.301 | 0.078 | 0.093 | 0.293 | 0.039 |
| 5/64 | NA14-12 | 0.081 | 0.040 | 0.025 | 0.027 | 0.120 | 0.122 | 0.042 | 0.052 | 0.117 | 0.023 |
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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