... : 1MT Factory professional service UT+ Peeled +Turned + Heat Treatment High-speed Tool Steel1.Diameter: 20-200 mm, ≥200 mm2.Classification: Cold ... drills and cutters,which are tools that rotate quickly when in use,Components can be brought to shape by milling, ... steel, die & mold steel, alliance with many well-known companies in China.7. Service Principle: Harmony, Communication, Celerity, Accuracy 8. ...