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BACB30NF4D15

Bolt

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Description

Fastener Length: 1-21/64", Thread: 1/4-28, Thread Length: 13/32"

Specifications

Distance From Head Largest Bearing Surface To Shank Hole Center 1.186 inches minimum first hole and 1.236 inches maximum first hole
Fastener Length 1.312 inches minimum and 1.342 inches maximum
Grip Diameter 0.2485 inches minimum and 0.2495 inches maximum
Grip Length 0.928 inches minimum and 0.948 inches maximum
Head Height 0.125 inches minimum and 0.140 inches maximum
Head Style Undercut hexagon
Length 1 21/64
Material Steel
Min. Tensile Strength (psi) 140000 pounds per square inch
Shank Unthreaded Hole Diameter 0.076 inches minimum first hole and 0.086 inches maximum first hole
Surface Finish 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416,type 2,class 3 fed spec single treatment response
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.364 inches minimum and 0.414 inches maximum
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNJF
Thread Size 1/4
Width Between Flats 0.430 inches minimum and 0.439 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 BACB30NF4D15. Try the cross-reference lookup to search by a different part number.

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