Micro - Adjustment gives feed of 0,001" on diameter per division

R8 TAPER THREADED FOR DRAW BAR 7/16 UNF

2 vertical and 1 horizontal points for mounting tools 1/2" diameter

Largest diameter of the boring head 2"

Boring head length 2-1/4"

9pc 1/2" tools range in length from 2-1/4" - 4-1/2" (including shank length)

11/16" - 2-15/16" (not including shank length)