Spec hardware, served at warp speed.

screws › close tolerance screws

BACB30LK2-4

Screw

View quote list → Saved parts →

Description

Fastener Length: 39/64", Thread: 8-32, Thread Length: 23/64"

Specifications

Fastener Length 0.580 inches minimum and 0.610 inches maximum
Grip Diameter 0.1625 inches minimum and 0.1635 inches maximum
Grip Length 0.240 inches minimum and 0.260 inches maximum
Head Diameter 0.306 inches minimum and 0.322 inches maximum
Head Height 0.105 inches minimum and 0.115 inches maximum
Head Style Pan Head
Internal Drive Style Cross recess type 1
Length 39/64
Material Iron
Material Specification Ams 5737 assn std single material response
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 0.164
Thread Direction Right-hand
Thread Length 0.320 inches minimum and 0.370 inches maximum
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series Designator UNJC
Thread Size 8

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 BACB30LK2-4. Try the cross-reference lookup to search by a different part number.

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