The 16NH93 is a 16-inch diameter, high-speed steel side milling cutter made by Niagara Cutter. It has 4 flutes and a right-hand spiral. The overall length is 3 inches and it has a 1/2 inch arbor hole. This mill is designed for slotting, side milling and straddle milling in steel, cast iron, aluminum and other non-ferrous metals. With its high-speed steel construction, it is best suited for operations requiring high metal removal rates. The side cutting edges can be reground several times for maximum tool life. This is a quality high-speed steel side milling cutter well-suited for heavy-duty milling operations.