screws › hexagon head cap screws
MS90726-121
Hexagon Head Cap Screw
Description
Fastener Length: 3-1/2", Thread: 1/2-20, Thread Length: 1-7/16
Specifications
| Fastener Length | 3.500 |
|---|---|
| Finish | Cadmium ll |
| Hardness Rating | 23.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.302 inches minimum and 0.323 inches maximum |
| Head Style | Hexagon Head |
| Length | 3 1/2 |
| Material | Steel |
| Material Specification | Sae gr 5 assn std single material response |
| Min. Tensile Strength (psi) | 120000 pounds per square inch |
| Minimum Yield Strength | 85000 pounds per square inch |
| Size | 1/2-20 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty 2 cl 3 fed spec all treatment responses |
| Thread Class | 2a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | 1.250 inches minimum and 1.438 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNF |
| Thread Size | 1/2 |
| Thread Type | N.F. - Fine |
| Width Between Flats | 0.736 inches minimum and 0.750 inches maximum |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS90726-119 MS 1/2-20 · 0.099 in · Hexagon Head · Steel
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Catalog data updated 2026-07-05. Report a data error