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AN4CH14A

Aeronautical Standard Machine Bolt

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Description

Fastener Length: 1-1/2", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 15/32

Specifications

Fastener Length 1.531
Features Provided Finished head
Grip Length 1.062
Hardness Rating 26.0 rockwell c minimum and 32.0 rockwell c maximum
Head Height 0.140 inches minimum and 0.172 inches maximum
Head Style Hexagon Head
Hole Configuration Style Hexagon flats
Hole Diameter 0.046
Hole Quantity 1
Hole Type Drilled
Length 1 1/2
Material Steel
Material Specification Qq-s-770 fed spec single material response
Min. Tensile Strength (psi) 125000 pounds per square inch
Surface Treatment Passivate
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.469 inches minimum
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNF
Thread Size 1/4
Width Between Flats 0.428 inches minimum and 0.440 inches maximum

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 AN4CH14A. Try the cross-reference lookup to search by a different part number.

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