3/4" OD X 5/16" ID C TYPE TOOL HOLDER BUSHING (3900-1912)

3/4" OD X 5/16" ID C Type Tool Holder Bushing Made of high quality tool steel. Tool holder bushing for universal use on all CNC turning machines to adapt a wide variety of boring bars, drills, reamers and shank type tools. Hardened and precision ground to the highest concentricity. Slot Length is 1-7/8" D is 2-1/4" Shipping Weight: 0.2 lbs