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MS18065-18
Military Standard Machine Screw
Description
Fastener Length: 5/16", Thread: 8-32, Head Width: 5/64", MS18065 series screw
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 0.302 inches and 0.322 inches |
| Hardness Rating | 45.0 rockwell c and 53.0 rockwell c |
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Length | 5/16 |
| Locking Feature | Pellet threads or strip threads |
| Material | Steel |
| Material Specification | N0.66 federal standard all material responses |
| Point Style | Flat |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Class 3 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 8 |
| Width Across Flats | Between 0.078 inches and 0.079 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS18065-18. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error