JESSOP TRUGLIDE is a free-machining, oil-hardening too steel designed primarily for cold-work die applications. Free graphite in this steel gives it excellent machinability and outstanding resistance to galling and seizing in operation. Among its many uses are dies, gages, punches, arbors and bushings. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: TS-424. Producer or source: Jessop Steel Company.