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NAS560HK4-6

Bolt

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Description

Fastener Length: 59/64", Thread: 1/4-28, Thread Length: 9/16"

Specifications

Countersink Angle 99.0 degrees minimum and 101.0 degrees maximum
Fastener Length 0.886 inches minimum and 0.931 inches maximum
Head Diameter 0.452 inches minimum and 0.510 inches maximum
Head Style Flat countersunk
Internal Drive Style Cross recess type 1
Length 59/64
Material Iron
Min. Tensile Strength (psi) 140000 pounds per square inch
Screw Material Iron alloy 660
Screw Material Specification Ams 7478 assn std single material response
Specification Data 80205-nas560 professional/industrial association standard
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.496 inches minimum and 0.571 inches maximum
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNF
Thread Size 1/4

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 NAS560HK4-6. Try the cross-reference lookup to search by a different part number.

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