High speed steel is a type of steel having very high hardness, high wear resistance and high heat resistance of tool steel also known as high-speed tool steel or Sharp Steel commonly known as white steel. High-speed steel is mainly used to manufacture medium and high speed cutting tools such as turning tools, milling cutters, reamer, broaching tools, twist drills etc. Our company annually produce round steel range is as given below Size:ϕ3mm-ϕ150mm; Grade: See Table chart