Spec hardware, served at warp speed.

screws › machine screws

AN500AD3-4

Aeronautical Standard Screw

View quote list → Saved parts →

Description

Fastener Length: 1/4", Hole Diameter: 1/32", Thread: 3-48, Thread Length: 1/4"

Specifications

Fastener Length 0.219 inches minimum and 0.250 inches maximum
Head Diameter 0.145 inches minimum and 0.161 inches maximum
Head Height 0.064 inches minimum and 0.070 inches maximum
Head Hole Configuration Style Round
Head Style Fillister
Hole Diameter 0.037
Hole Quantity 1
Internal Drive Style Cross recess type 1
Length 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 0.099
Thread Direction Right-hand
Thread Length 0.208 inches minimum and 0.250 inches maximum
Thread Qty 48
Thread Qty Per Inch (tpi) 48
Thread Series Designator UNC
Thread Size 3

Cross-reference

No interchangeable or dimensionally similar parts are on record for AN500AD3-4. Try the cross-reference lookup to search by a different part number.

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