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NAS560HK4-7

Machine Bolt

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Description

Fastener Length: 63/64", Thread: 1/4-28, Thread Length: 9/16

Specifications

Countersink Angle Between 99.0 degrees and 101.0 degrees
Fastener Length Between 0.949 inches and 0.994 inches
Hardness Rating Between 248.0 brinell standard and 341.0 brinell standard
Head Diameter Between 0.452 inches and 0.510 inches
Head Style Flat countersunk
Internal Drive Style Cross recess type 1
Material Iron
Min. Tensile Strength (psi) 140000 pounds per square inch
Screw Material Iron alloy 660
Screw Material Specification Ams assn standard all material responses
Specification Data 80205-nas560 professional/industrial association standard
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length Between 0.496 inches and 0.571 inches
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series UNF
Thread Series Designator Unf (fine thread)
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 NAS560HK4-7. Try the cross-reference lookup to search by a different part number.

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