... 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 sheet ,stainless ... depth:30mm/55mm/110mm3.Tin coated is also OK. Magnetic drill Drill Bit