screws › machine screws
CA2290-4-20-16
Screw
Description
Fastener Length: 1-", Thread: 1/4-28
Specifications
| Fastener Length | 1.000 |
|---|---|
| Head Height | 0.244 inches minimum and 0.250 inches maximum |
| Head Style | Hexagon Head |
| Internal Drive Style | Hexagon |
| Material | Iron |
| Material Accommodated Thickness | 0.625 |
| Material Specification | Ams5731 assn std single material response or ams5737 assn std single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Part Name Assigned By Controlling Agency | Screw, captive, hex head |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.357 inches minimum and 0.375 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for CA2290-4-20-16. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error