Weldon shank & one touch shank hss annular cutter (hss hole cutter) ,M2,M35,M42 material,TIN or TIALN coated,size from12mm-100m Weldon shank & one touch shank hss annular cutter FEIN SHANK ANNULAR CUTTER NITTO SHANK ANNULAR CUTTER Material:M2,M35,M42 and T.C.T(tungsten carbide tipped) Surface treatment:TIN,TIALN,etc Diameter:12mm to 110mm(if not in this area,it will be in nonstandard products ...