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BACB30LR5-8

Bolt

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Description

Fastener Length: 1-9/64", Thread: 1/4-24, Thread Length: 5/8"

Specifications

Countersink Angle 99.0 degrees minimum and 101.0 degrees maximum
Fastener Length 1.094 inches minimum and 1.141 inches maximum
Hardness Rating 22.0 rockwell c minimum and 32.0 rockwell c maximum
Head Diameter 0.569 inches minimum and 0.635 inches maximum
Head Style Flat countersunk
Internal Drive Style Cross recess type 1
Length 1 9/64
Material Steel
Min. Tensile Strength (psi) 125000 pounds per square inch
Screw Material Steel comp 8630 or steel comp 4037
Screw Material Specification Mil-s-6050 mil spec 1st material response or ams 6300 assn std 2nd material response
Screw Surface Treatment Cadmium and chromate
Screw Surface Treatment Specification Qq-b-416,ty 2,cl 3 fed spec all treatment responses
Thread Class 3a
Thread Diameter 0.312
Thread Direction Right-hand
Thread Length 0.464 inches minimum and 0.625 inches maximum
Thread Qty 24
Thread Qty Per Inch (tpi) 24
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

Similar parts

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

  • BACB30LR5-7 BAC 1/4-24 · 0.073 in · Flat countersunk · Steel

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