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Krupp markets WIDIA tool metal.

A Widia-tipped fishtail bit for deep hole drilling, 1936

Sintered tungsten carbide was developed by the "Osram study society for electrical lighting" to replace diamonds as a material for machining metal. Not having the equipment to exploit this material on an industrial scale, Osram sells the license to Krupp at the end of 1925. In 1926 Krupp brings sintered carbide onto the market under the name WIDIA (acronym for WIe DIAmant = like diamond). Its exceptional hardness and wear resistance represent a major breakthrough in tool engineering. The new product group performs very well and WIDIA soon becomes a synonym for sintered carbide.