... of HSS 2.Bars, rounds, squares. High speed tool steel(M2,M35,T1,D2,D3,A2,F1)Die steelTool ... metal at a much higher rate than carbon tool steel and continues to cut and retain its hardness ... M2, M35, M42, M48, T1, T15, D2, D3, H13, H21Common forms: Bars, tubes, cast, single crystals. Size: as ... (); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); High speed tool steel(M2,M35,T1,D2,D3,A2,F1)