screws › socket head cap screws
MS16998-79
Hexagon Socket Cap Screw
Description
Fastener Length: 2-1/4", Thread: 3/8-24, Head Width: 5/16", Thread Length: 1-1/4"
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 2.210 inches and 2.250 inches |
| Finish | Cadmium ll |
| Hardness Rating | 36.0 rockwell c and 45.0 rockwell c |
| Head Diameter | Between 0.550 inches and 0.562 inches |
| Head Height | Between 0.368 inches and 0.375 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 2 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Minimum Yield Strength | 130000 pounds per square inch |
| Size | 3/8-24 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 cl 3 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | Between 1.210 inches and 1.250 inches |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 3/8 |
| Thread Type | N.F. - Fine |
| Width Across Flats | Between 0.312 inches and 0.316 inches |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error