... / Magnetic drill with CNC machines and we have many cutters of different sizes in stock.Magnetic drill(Mag drill)Weldon shank & one touch shank annular cutters ... ,M2,M35,M42 material,size from12mm-100mm,depth25mm,30mm35mm,,50mm,55mm,75mmCan drill iron ... coated is also OK.4.Type:WBS/WBR/WBL Magnetic Drill Core drill 12*35