screws › setscrews
AN565B428H16
Aeronautical Standard Setscrew
Description
Fastener Length: 0-63/64", Thread: 1/4-28, Head Width: 1/8", Thread Length: 0-63/64"
Specifications
| Fastener Length | 0.985 inches minimum and 1.015 inches maximum |
|---|---|
| Hardness Rating | 45.0 rockwell c minimum and 53.0 rockwell c maximum |
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Length | 0 63/64 |
| Material | Steel |
| Material Specification | 66 fed std all material responses |
| Point Style | Cone |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,type 2,class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.985 inches minimum and 1.015 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Across Flats | 0.125 inches minimum and 0.127 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN565B428H4
- AN565B428H16
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN565B428H16. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error