Product Description
| Thread | 1/2 - 13 UNC |
| Nominal shank diameter | 1/2" |
| Length measured from under the head |
1 3/4" |
| Thread pitch | 13tpi |
| Thread length | 1 1/4" |
| Grade | High Tensile SAE Grade 8 |
| Finish | Silver Zinc Cr3 |
| Spanner size | 3/4" |
| Standard | ANSI B18.2.1 1996 , SAE J429 |
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