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NAS501-4H5A

Bolt

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Description

Fastener Length: 5/8", Hole Diameter: ", Thread: 1/4-28, Thread Length: 19/32"

Specifications

Fastener Length 0.656
Features Provided Finished head
Grip Length 0.062
Head Height 0.156
Head Style Hexagon Head
Hole Configuration Style Hexagon flats
Hole Diameter 0.062
Hole Quantity 1
Hole Type Drilled
Length 5/8
Material CRES
Material Specification Qq-s-763 fed spec 1st material response or ams 5645 assn std 2nd material response or ams 5646 assn std 3rd material response
Specification Data 80205-nas501 professional/industrial association standard
Surface Treatment Passivate
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.594 inches minimum
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNF
Thread Size 1/4
Width Between Flats 0.438

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