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This GM-style SEMS screw features a 5/16"-18 coarse thread, 7/8-inch length, and indented hex head for compatible automotive fastening applications. The phosphate finish and included 3/4-inch outside-diameter SEMS washer provide a complete replacement fastener configuration.
The screw has a 1/2-inch hex drive and cross-references GM part number 3846202. Verify the thread size, length, washer diameter, hex size, and OEM reference before installation.
| Product Type | Indented Hex Head SEMS Screw |
| Thread Size | 5/16"-18 |
| Length | 7/8" |
| Head Style | Indented Hex Head |
| Hex Size | 1/2" |
| Washer Type | SEMS Washer |
| Washer Outside Diameter | 3/4" |
| Finish | Phosphate |
| Vehicle Manufacturer | GM |
| OEM Cross-Reference | 3846202 |
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