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AN500AD8-20

Aeronautical Standard Screw

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Description

Fastener Length: 1-1/4", Hole Diameter: 1/32", Thread: 8-32, Thread Length: 1-1/4"

Specifications

Fastener Length 1.250
Head Diameter 0.250 inches minimum and 0.270 inches maximum
Head Height 0.106 inches minimum and 0.113 inches maximum
Head Hole Configuration Style Round
Head Style Fillister
Hole Diameter 0.046
Hole Quantity 1
Internal Drive Style Cross recess type 1
Length 1 1/4
Material Steel
Screw Material Steel comp 302 or steel comp 303se or steel comp 304 or steel comp 316
Screw Material Specification 66 fed std all material responses
Screw Surface Treatment Passivate
Thread Class 2a
Thread Diameter 0.164
Thread Direction Right-hand
Thread Length 1.188 inches minimum and 1.250 inches maximum
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series Designator UNC
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 AN500AD8-20. Try the cross-reference lookup to search by a different part number.

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