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MS16998-50
Hexagon Socket Cap Screw
Description
Fastener Length: 2-1/4", Thread: 1/4-28, Head Width: 3/16", Thread Length: 1-1/4"
Specifications
| Fastener Length | 2.210 inches minimum and 2.250 inches maximum |
|---|---|
| Finish | Cadmium ll |
| Hardness Rating | 36.0 rockwell c minimum and 45.0 rockwell c maximum |
| Head Diameter | 0.365 inches minimum and 0.375 inches maximum |
| Head Height | 0.244 inches minimum and 0.250 inches maximum |
| 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 | 1/4-28 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 1.210 inches minimum and 1.250 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Thread Type | N.F. - Fine |
| Width Across Flats | 0.187 inches minimum and 0.190 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS16998-50. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error