screws › machine screws
AN515-8-20
Aeronautical Standard Screw
Description
AN 515-8-20 Round Head Machine Screw
Specifications
| Fastener Length | 1.250 |
|---|---|
| Finish | Cadmium l |
| Head Diameter | 0.306 inches minimum and 0.322 inches maximum |
| Head Height | 0.105 inches minimum and 0.115 inches maximum |
| Head Style | Pan Head, Round Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 60000 pounds per square inch |
| Screw Material | Steel |
| Screw Material Specification | Astm a576 assn std single material response or astm a108 assn std single material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416 ty 2 cl 3 fed spec single treatment response |
| Size | 8-32 |
| Thread Class | 2a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 1.250 inches minimum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Thread Size | 8 |
| Thread Type | N.C. - Coarse |
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 AN515-8-20. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error