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NAS428HK4A11

Bolt

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Description

Fastener Length: 1-3/16", Thread: 1/4-28, Thread Length: 1-3/16"

Specifications

Fastener Length 1.125 inches minimum and 1.187 inches maximum
Grip Diameter 0.250
Head Height 0.141
Head Style Hexagon Head
Length 1 3/16
Locking Feature Slotted point
Material Steel
Surface Treatment Cadmium
Surface Treatment Specification A qq-p-416; type 2; class 2 fed spec single treatment response
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 1.125 inches minimum and 1.187 inches maximum
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 NAS428HK4A11. Try the cross-reference lookup to search by a different part number.

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