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NAS6304U12

Shear Bolt

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Description

length: 1.120", grip: 0.750", thread: 1/4-28, hex head, short thread, unplated corrosion resistant steel, NAS6304 series bolt

Specifications

Fastener Length Between 1.105 inches and 1.135 inches
Grip Diameter Between 0.2490 inches and 0.2495 inches
Grip Length Between 0.740 inches and 0.760 inches
Head Height Between 0.125 inches and 0.140 inches
Head Style Dished hexagon
Length 1 1/8
Material Iron
Material Specification Ams5731 assn standard single material response
Min. Tensile Strength (psi) 160000 pounds per square inch
Specification Data 80205-nas6304 professional/industrial association standard
Surface Finish 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads
Surface Treatment Passivate
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length Between 0.345 inches and 0.395 inches
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series UNJF
Thread Series Designator Unjf (fine thread with external controlled root radius)
Thread Size 1/4
Width Between Flats Between 0.429 inches and 0.439 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.

  • NAS6304-12 NAS 1/4-28 · 0.073 in · Dished hexagon · Iron
  • NAS6304U12D NAS 1/4-28 · 0.073 in · Dished hexagon · Iron

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