OSG is the leading manufacturer of taps, end mills, drills, and indexable cutting tools. Since 1938, OSG’s extensive line of high technology cutting tools features exclusive metallurgy, cutting geometries and proprietary surface treatments to help increase productivity, reliability and tool life. Serving numerous industries including automotive, aerospace, medical, die mold, energy, heavy industry and job shop, OSG is a comprehensive cutting tool provider.
Union Tool designs, manufactures and sells industrial cutting tools, with its core product since its inception in 1955, has been the carbide drill. Today, the leader in PCB drills now produces high speed end mills which excel in high-hardness materials. In 2012, Union Tool introduced to the market diamond coated end mills with excellent hardness and durability in cemented carbide.