AnnularCutterSeries:HSS annular cutter,T.C.T annular cutter(TCT annular cutter,TCT core drill),magnetic drill cutter We are a specialized annular cutters manufacturer. We manufacture annular cutter (hole cutter,hole drill,magnetic drill,magnetic base drill)with CNC machines and we have many cutters of different sizes in stock.Weldon shank & one touch shank annular cutters,size from12mm-100mm,depth25mm,30mm35mm,,50mm,55mm,75mm,100mmCan drill iron sheet ,stainless steel,etc. Abrasion resistance,the cutters have long life .Tin coated ,TIALNDetailed Selling Lead Description 1.cutter Dia(mm):12mm...........100mm2.Max.drilling depth:30mm/55mm/110mm3.Tin coated is also OK. So if you have any interest in cutting tools,please contact us.We will give you the best service and high ratio Price Quality of products.