Proudly focused on American made products.
This GM and Ford-style SEMS screw features a 5/16"-18 coarse thread, 1-inch length, and hex head for compatible automotive fastening applications. The preassembled 7/8-inch outside-diameter washer distributes the clamping load while keeping the screw and washer together during installation.
The fastener has a phosphate finish and a 1/2-inch hex drive. Verify the thread size, screw length, washer diameter, hex size, and vehicle application before installation.
| Product Type | Hex Head SEMS Screw |
| Thread Size | 5/16"-18 |
| Length | 1" |
| Head Style | Hex Head |
| Hex Size | 1/2" |
| Washer Type | SEMS Washer |
| Washer Outside Diameter | 7/8" |
| Finish | Phosphate |
| Vehicle Manufacturers | GM and Ford |
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