2'' BORING HEAD w R-8 SHK, 9pcs 1/2" carbide boring bars, 810-1004B

Boring head kit includes: 2" adjustable boring head, R8 arbor, 9pcs 1/2" carbide tipped boring bars, fitted in plastic suitecase. *  THE WIDE BASE BEARING SURFACE ASSURES MAXIMUM RIGIDITY EVEN WHEN THE BAR HOLDER IS OFFSET POSITION. *  HEAD HEIGHT: 2-13/32" *  2 VERTICAL AND 1 HORIZONTAL HOLES. *  HOLE SIZE: 1/2" *  CENTER DISTANCE BETWEEN HOLES: 5/8". *  CROSS DIA.: 1/2" *  OFFSET:  5/8" *  THREAD BACK: 7/8"-20 *  WITH REMOVEABLE R-8 SHANK.