... 2.Bars, rounds, squares. High speed tool steel(M2,M35,T1,D2,D3,A2,F1)Die steelTool materialOur Tool ... it is capable of cutting metal at a much higher rate than carbon tool steel and continues to cut ... of the tool is heated to a low red temperature. Tungsten is the major alloying element but it is ... drills, reamers, saw blades and other cutting tools.Common grades: M2, M35, M42, M48, T1, T15, D2, D3, H13 ...