screws › socket head cap screws
3176207-C-123
Socket Head Cap Screws
Description
Fastener Length: 1-1/64", Thread: 5/16-18, Head Width: 1/4", Thread Length: 0-57/64
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | 1.000 |
| Head Diameter | Between 0.457 inches and 0.469 inches |
| Head Height | Between 0.306 inches and 0.312 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Locking Feature | Patch threads |
| Material | Plastic |
| Material Specification | Astm a574 assn standard single material response, Mil-f-18240 military specification single material response locking feature |
| Min. Tensile Strength (psi) | 170000 pounds per square inch |
| Surface Treatment | Zinc and chromate |
| Surface Treatment Specification | Ty2 assn standard single treatment response astm b633 |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.889 inches and 1.000 inches |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 1/4 |
| Width Across Flats | 0.250 |
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 3176207-C-123. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error