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NAS428-4-46

Bolt

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Description

Fastener Length: 4-13/16", Thread: 1/4-28, Thread Length: 4-25/32"

Specifications

Fastener Length 4.750 inches minimum and 4.812 inches maximum
Features Provided Finished head
Grip Length 0.031 inches minimum and 0.062 inches maximum
Hardness Rating 26.0 rockwell c minimum and 32.0 rockwell c maximum
Head Height 0.141
Head Style Crowned hexagon
Length 4 13/16
Material Steel
Material Specification Mil-s-5626 mil spec single material response
Min. Tensile Strength (psi) 125000 pounds per square inch
Specification Data 80205-nas428 professional/industrial association standard
Surface Treatment Cadmium
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 4.688 inches minimum and 4.781 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

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