screws › machine screws
AN520-8R8
Aeronautical Standard Screw
Description
Fastener Length: 1/2", Thread: 8-36, Thread Length: 1/2"
Specifications
| Fastener Length | 0.469 inches minimum and 0.500 inches maximum |
|---|---|
| Head Diameter | 0.287 inches minimum and 0.309 inches maximum |
| Head Height | 0.120 inches maximum |
| Head Style | Round Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/2 |
| Material | Steel |
| Nondefinitive Specification/Std Data | 1 type and 1c style |
| Screw Material | Steel comp 1010 |
| Screw Material Specification | Qq-s-633 fed spec single material response |
| Screw Surface Treatment | Cadmium |
| Thread Class | 2a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.469 inches minimum and 0.500 inches maximum |
| Thread Qty | 36 |
| Thread Qty Per Inch (tpi) | 36 |
| Thread Series Designator | UNF |
| Thread Size | 8 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN520-8R8. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error