Product Description
| Thread | 1/4 - 20 UNC |
| Shank diameter | 1/4" (0.250" - 0.245") |
| Length from under the head | 1/2" |
| Thread length | Fully threaded |
| Thread pitch | 20 tpi |
| Width across flats - basic | 7/16" |
| Head Height - basic | 5/32" |
| Material | High tensile steel Grade 8 |
| Finish | Zinc plated Cr3 |
| Spanner size | 7/16" AF |
| Standard | ANSI B18.2.1 |
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