Standard: ABMA 8.2 - 1999
Available sizes: P-48 to P-72 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| P-48 | 0.125 | 0.406 | 3.750 | 0.656 | 0.352 | 1.156 | 0.813 | 1.063 | 0.375 | 2.938 | 0.656 |
| P-52 | 0.125 | 0.469 | 4.344 | 0.844 | 0.460 | 1.375 |
| 0.969 |
| 1.250 |
| 0.438 |
| 3.407 |
| 0.844 |
| P-56 | 0.125 | 0.469 | 4.750 | 0.781 | 0.394 | 1.250 | 0.969 | 1.375 | 0.438 | 3.828 | 0.812 |
| P-60 | 0.125 | 0.594 | 5.438 | 0.906 | 0.461 | 1.500 | 1.094 | 1.375 | 0.562 | 4.281 | 1.125 |
| P-64 | 0.125 | 0.562 | 5.812 | 0.938 | 0.495 | 1.562 | 1.188 | 1.500 | 0.562 | 4.701 | 1.062 |
| P-68 | 0.125 | 0.625 | 6.422 | 1.156 | 0.593 | 1.656 | 1.343 | 1.688 | 0.688 | 5.186 | 1.188 |
| P-72 | 0.156 | 0.625 | 6.594 | 1.063 | 0.563 | 1.562 | 1.312 | 1.688 | 0.688 | 5.364 | 1.406 |
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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