screws › socket head cap screws
CA21150-4-1HS
Socket Head Cap Screw
Description
Fastener Length: 41/64", Thread: 1/4-28, Head Width: 1/8", Thread Length: 31/64
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Drive Style | Hexagon |
| End Application | Air launc (coarse thread)h cruise (alcm)agm-86b flt dta trns missle |
| Fastener Length | Between 0.638 inches and 0.648 inches |
| Head Diameter | 0.360 |
| Head Style | Flat countersunk |
| Internal Drive Style | Hexagon |
| Material | Steel |
| Part Name Assigned By Controlling Agency | Socket head cap screw |
| Surface Treatment | Tin |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.477 inches and 0.497 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
| Width Across Flats | 0.156 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for CA21150-4-1HS. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error