Spec hardware, served at warp speed.

bolts › machine bolts

BACB30UW5P40

Bolt

View quote list → Saved parts →

Description

Fastener Length: 2-31/32", Thread: 1/4-24, Thread Length: 15/32"

Specifications

Countersink Angle 100.0 degrees
Fastener Length 2.939 inches minimum and 2.969 inches maximum
Grip Diameter 0.3110 inches minimum and 0.3120 inches maximum
Grip Length 2.490 inches minimum and 2.510 inches maximum
Head Diameter 0.428 inches minimum and 0.479 inches maximum
Head Style Flat countersunk
Internal Drive Style High-torque
Length 2 31/32
Material Nickel
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, ty2cl2 aluminum pigmented coating fed spec 1st treatment response
Thread Class 3a
Thread Diameter 0.312
Thread Direction Right-hand
Thread Length 0.429 inches minimum and 0.479 inches maximum
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series Designator UNJF
Thread Size 1/4

Cross-reference

No interchangeable or dimensionally similar parts are on record for BACB30UW5P40. Try the cross-reference lookup to search by a different part number.

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