Spec hardware, served at warp speed.

bolts › machine bolts

NAS464-8-12

Bolt

View quote list → Saved parts →

Description

Fastener Length: 1-13/64", Thread: 1/2-20, Thread Length: 29/64"

Specifications

Distance From Head Largest Bearing Surface To Shank Hole Center 0.984 inches minimum first hole and 1.016 inches maximum first hole
Fastener Length 1.156 inches minimum and 1.203 inches maximum
Grip Diameter 0.4986 inches minimum and 0.4991 inches maximum
Grip Length 0.750
Head Height 0.234 inches minimum and 0.266 inches maximum
Head Style Hexagon Head
Length 1 13/64
Material Steel
Material Specification Mil-s-5000 mil spec 1st material response or mil-s-5626 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-8503 mil spec 5th material response
Min. Tensile Strength (psi) 160000 pounds per square inch
Shank Unthreaded Hole Diameter 0.106 inches minimum first hole and 0.116 inches maximum first hole
Specification Data 80205-nas660 professional/industrial association standard
Surface Finish 32.0 microinches bearing surface of head
Surface Treatment Cadmium bearing surface of and chromate bearing surface of, Cadmium and chromate
Surface Treatment Specification Qq-p-416 ty 2 cl 2 fed spec single treatment response bearing surface of head, Qq-p-416 ty 2 cl 2 fed spec single treatment response threads
Thread Class 3a
Thread Diameter 0.500
Thread Direction Right-hand
Thread Length 0.396 inches minimum and 0.463 inches maximum
Thread Qty 20
Thread Qty Per Inch (tpi) 20
Thread Series Designator UNJF
Thread Size 1/2
Width Between Flats 0.740 inches minimum and 0.752 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 NAS464-8-12. Try the cross-reference lookup to search by a different part number.

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