Spec hardware, served at warp speed.

bolts › machine bolts

NAS6305-13D

Machine Bolt

View quote list → Saved parts →

Description

Fastener Length: 1-1/4", Thread: 1/4-24, Thread Length: 29/64"

Specifications

Distance From Head Largest Bearing Surface To Shank Hole Center 1.068 inches first hole
Fastener Length Between 1.235 inches and 1.265 inches
Grip Diameter Between 0.3110 inches and 0.3120 inches
Grip Length Between 0.802 inches and 0.822 inches
Head Height Between 0.156 inches and 0.171 inches
Head Style Dished hexagon
Length 1 1/4
Material Iron
Material Specification Ams 5731 assn standard single material response or ams 5737 assn standard single material response
Min. Tensile Strength (psi) 160000 pounds per square inch
Shank Unthreaded Hole Diameter 0.076 inches first hole and 0.086 inches first hole
Specification Data 80205-nas6305 professional/industrial association standard
Surface Finish 32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 ty2 federal specification single treatment response
Thread Class 3a
Thread Diameter 0.312
Thread Direction Right-hand
Thread Length Between 0.413 inches and 0.463 inches
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series UNJF
Thread Series Designator Unjf (fine thread with external controlled root radius)
Thread Size 1/4
Width Between Flats Between 0.492 inches and 0.502 inches

Cross-reference

Similar parts

Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.

  • BACB30NM5K13 BAC 1/4-24 · 0.073 in · Dished hexagon · Titanium
  • NAS6305-13 NAS 1/4-24 · 0.073 in · Dished hexagon · Iron

Looking for a specific part? Use the cross-reference lookup.

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