High speed tool steel(M2,M35,T1,D2,D3,A2,F1) 1.Provide a variety of ... rounds, squares. High speed tool steel(M2,M35,T1,D2,D3,A2,F1)Die steelTool materialOur Tool Steels include: ... of taps, dies, twist drills, reamers, saw blades and other cutting tools.Common grades: M2, M35, M42, M48, T1 ... , T15, D2, D3, H13, H21Common forms: Bars, tubes, cast, single crystals. ...