screws › hexagon head cap screws
MS90728-19
Hexagon Head Cap Screw
Description
Fastener Length: 3-1/4", Thread: 1/4-20, Thread Length: 3/4
Specifications
| Fastener Length | 3.250 |
|---|---|
| Finish | Cadmium ll |
| Head Height | 0.150 inches minimum and 0.163 inches maximum |
| Head Style | Hexagon Head |
| Length | 3 1/4 |
| Material | Steel |
| Material Specification | Sae gr 8 assn std single material response |
| Min. Tensile Strength (psi) | 150000 pounds per square inch |
| Minimum Yield Strength | 120000 pounds per square inch |
| Size | 1/4-20 |
| Surface Treatment | Zinc and chromate |
| Surface Treatment Specification | Astm b633 ty 2 sc 3 assn std single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.750 inches minimum and 0.938 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNC |
| Thread Size | 1/4 |
| Thread Type | N.C. - Coarse |
| Width Between Flats | 0.428 inches minimum and 0.438 inches maximum |
Cross-reference
Similar parts
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- B1821BH025C325N Other 1/4-20 · 0.099 in · Hexagon Head · Steel
- B1821BH025C375N Other 1/4-20 · 0.099 in · Hexagon Head · Steel
- MS35307-320 MS 1/4-20 · 0.099 in · Hexagon Head · CRES
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Catalog data updated 2026-07-05. Report a data error