... rotary cutting tools which are used in cast iron, hot resistant alloy steel, non-ferrous metal and ... finishing cutting tool at low speed for cast iron, nonferrous metal, nonmetal material. K20-K30 ... be widely used in steel, cast iron, stainless steel, hot resistant steel, Ni base and Titanium ... wide application. Used for processing of stainless steel, hot resistance steel, Cr, Ti, Ni alloy, synthetic ...