Slater Tools provides different varieties and sizes of Rotary Broaching Tool Holders to give you the best fit for your application. Rotary broaching, also known as wobble broaching, is a fast and accurate method of producing hex, square, serration, spline and other ID or OD forms. The form is created in just seconds on your CNC while the machine spindle is rotating and can be used on any CNC lathe, mill, Swiss, machining center,or other turning machine.