... -100mmDOP 25,50,75,100mmM2 &M35 materialcoating availableThe hss annular cutter has specifications of Φ12-100mm and 30, 50, 75, or ... 100mm DOC. apply to steel, cast iron, copper, aluminum, and FRP in either sheet or tubular forms.Suitable for all types ... , milling machine, lathe, etc.We also have Pilot Pin Annular Cutter for magnetic drill machine