... 100mmDOP 25,50,75,100mmM2 &M35 materialcoating availableThe hss annular cutter has specifications of Φ12-100mm and 30, 50, 75, or 100mm ... , Hougen, Alfra, Rotabroach, and BDS, etc.WANSUI® annular cutters made of hardened H.S.S, cobalt steel. TiAIN coating availableideal ... types of vertical drilling machine, radial drilling machine, milling machine, lathe, etc.We also have Pilot Pin Annular Cutter for ...