screws › socket head cap screws
MS21295-45
Military Standard Screw
Description
Fastener Length: 3/4", Thread: 1/4-24, Head Width: 1/4", Thread Length: 3/4"
Specifications
| Fastener Length | 0.735 inches minimum and 0.765 inches maximum |
|---|---|
| Hardness Rating | 80.0 rockwell b minimum |
| Head Diameter | 0.457 inches minimum and 0.468 inches maximum |
| Head Height | 0.306 inches minimum and 0.312 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 3/4 |
| Locking Feature | Patch threads |
| Material | CRES |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Minimum Yield Strength | 30000 pounds per square inch |
| Nondefinitive Specification/Std Data | 6 type |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.652 inches minimum and 0.765 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Across Flats | 0.250 inches minimum and 0.253 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21295-45. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error