4'' PRECISION ADJUSTABLE BORING HEAD WITH CAT40 SHANK w. 1" hole #820--new
WITH REMOVEABLE CAT40 SHANK. THE WIDE BASE BEARING SURFACE ASSURES MAXIMUM RIGIDITY EVEN WHEN THE BAR HOLDER IS OFFSET POSITION. OFFSET: 1-5/8". THREAD BACK: 1.5"-18. HOLE SIZE: 1".