JACOBS

1/2-20 MOUNT

CAPACITY: 1/8 TO 5/8"

KEY NOT INCLUDED

Features
  • Heavy Duty Design.

  • Jacobs fluted sleeve design.

  • Jaws Center-Grind for Straightness and Alignment.

  • Through-hardened sleeve teeth, plus hardened nose and keyholes provide outstanding wear resistance.

  • Each chuck 100% inspected for performance and precision.

  • Chuck Capacity  :1/8“-5/8"(3-16mm)

  • Key Type            :JACOBS K3

  • T.I.R. 0.004" Maximum at half capacity.