screws › socket head cap screws
3176207-C-125
Cap Screw
Description
Fastener Length: 1-1/2", Thread: 1/4-18, Head Width: 1/4", Thread Length: 1-3/8"
Specifications
| Fastener Length | 1.500 |
|---|---|
| Hardness Rating | 38.0 rockwell c minimum fastener and 45.0 rockwell c maximum fastener |
| Head Diameter | 0.457 inches minimum and 0.469 inches maximum |
| Head Height | 0.306 inches minimum and 0.312 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 1 1/2 |
| Locking Feature | Patch threads |
| Material | Steel |
| Material Specification | Astm a574 assn std single material response fastener, Mil-f-18240 mil spec single material response locking feature |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Minimum Yield Strength | 155000 pounds per square inch |
| Surface Treatment | Zinc and chromate |
| Surface Treatment Specification | Astm b633 ty 2 assn std single treatment response fastener |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 1.389 inches maximum |
| Thread Qty | 18 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series Designator | UNC |
| 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
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Catalog data updated 2026-07-05. Report a data error