Free-machining stainless steel “Super STARCUT Stainless Steel 304BF” has better quality than traditional free-machining grade AISI 303 and equivalent to AISI 304 in terms of mechanical properties, corrosion resistance and cold workability. Machinability of 304BF is better than that of AISI 304 and the tool life in drilling and chip breakability are almost equal to that of AISI 303.