High Speed Steel Round Bar 1)Diameter:8mm-32mm 2)Length 2000- ... to Decoration, Staircase, Railing ,petroleum, chemical industry, electric power, boiler, high temperature resistant, low temperature resistant, and also apply to beam ... 3)Application: Be used for making all kind of drills High Speed Steel Round Bar:1)Diameter:8mm-32mm2)Length 2000-4500mm3 ...