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AN525-8R10

Aeronautical Standard Machine Screw

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Description

Fastener Length: 21/32", Thread: 8-36, Thread Length: 25/64"

Specifications

Extended Washer Diameter 0.375
Extended Washer Thickness 0.018 inches minimum and 0.028 inches maximum
Fastener Length 0.594 inches minimum and 0.656 inches maximum
Hardness Rating 26.0 rockwell c minimum and 32.0 rockwell c maximum
Head Diameter 0.312
Head Height 0.082 inches minimum and 0.092 inches maximum
Head Style Round extended washer
Internal Drive Style Cross recess type 1
Length 21/32
Material Steel
Min. Tensile Strength (psi) 125000 pounds per square inch
Screw Material Steel
Screw Material Specification Qq-s-689 /cancelled/ fed spec single material response
Screw Surface Treatment Cadmium or zinc
Screw Surface Treatment Specification Qq-p-416 fed spec 1st treatment response or qq-z-325 fed spec 2nd treatment response
Thread Class 3a
Thread Diameter 0.164
Thread Direction Right-hand
Thread Length 0.360 inches minimum and 0.391 inches maximum
Thread Qty 36
Thread Qty Per Inch (tpi) 36
Thread Series Designator UNF
Thread Size 8

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 AN525-8R10. Try the cross-reference lookup to search by a different part number.

Catalog data updated 2026-07-05. Report a data error