DIAVANCUT Zero tolerance diamond drum wheel is also known as diamond sink drum wheel.It is with 3 inch diamenter,1-5/8 inch height and 5/8"-11 thread.Our diamond drum wheels are designed for stock removal in tight corners and sink cutouts.It is the fastest way to remove material after cutting out sink holes with diamond blades or to shape a radius on the outside edge.They are used for very aggressive grinding applications and removal of stock on various materials including granite, marble,quartz,concrete, engineered stone, terrazzo, brick, and more.The resin filled design provides more smooth grinding surface with less chipping.It can be used in dry or wet but using it with water will prelong its life and achieve better performance.The Coarse 30/40 grit diamonds in the diamond drum wheel provide more aggressive and controlled grinding and smoother shaping.Mature machine balanced technology make the sink wheel minimal vibration.The standard 5/8-11 thread is suitable for most grinders and polisher.