Thyrapid 3343 is a standard high-speed steel grade with balanced alloy composition, high toughness, good cutting power, and consequently versatile applications. Thyssen Thyrapid 3343 is suitable for all metal-cutting tools for roughing or finishing, such as twist drills, milling cutters of all types, taps, cutting tools, broaches, reamers, countersinks, chasens, segments for circular saws, shaping tools, and woodworking tools. This datasheet provides information on composition and physical properties. It also includes information on heat treating and machining. Filing Code: TS-560. Producer or source: Thyssen Specialty Steels Inc.