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AN525-8R7
Aeronautical Standard Machine Screw
Description
AN525-8R7
Specifications
| Country of Origin | USA |
|---|---|
| Extended Washer Diameter | Between 0.365 inches and 0.385 inches |
| Extended Washer Thickness | Between 0.023 inches and 0.028 inches |
| Fastener Length | Between 0.406 inches and 0.469 inches |
| Head Diameter | Between 0.302 inches and 0.322 inches |
| Head Height | Between 0.082 inches and 0.092 inches |
| Head Style | Round extended washer |
| Internal Drive Style | Cross recess type 1 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Screw Material | Steel comp 8630 or steel comp 4037 |
| Screw Material Specification | Mil-s-6050 military specification 1st material response or ams 6300 assn standard 2nd material response |
| Screw Surface Treatment | Cadmium or zinc |
| Screw Surface Treatment Specification | Qq-p-416 federal specification 1st treatment response or qq-z-325 federal specification 2nd treatment response |
| Sold In | Per Package |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.262 inches and 0.423 inches |
| Thread Qty | 36 |
| Thread Qty Per Inch (tpi) | 36 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 8 |
| Weight | .005 lb |
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 AN525-8R7. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error