Soft Bond for use extra Hard Concrete / river rock that glazes over normal cup wheel segments. Specialty purpose.
Limited life expectancy due to nature of design. Threaded and unthreaded arbors available. Threaded cupwheels will need a space to work under the Dust Avenger 007 Shrouds due to the short nut height.
5/8-11 (Threaded), 5/8-7/8 (Not Threaded)