Niagara Cutter uses an "extra fine" grain cemented carbide raw material that is a true sub-micron grain tungsten carbide alloy. Niagara Cutter's carbide material is classified within the C1 to C4 range, and has an excellent combination of strength and toughness. Using raw materials with unique properties and high purity ensure Niagara Cutter's consistent high quality. Specifically designed for machining Aluminum, Stainless Steel, Titanium and Exotic Alloy Materials. Niagara Cutter is a leader in cutting tool technology and is proud to have their products made in the USA.