... 2.Material : brass, SUS3163.Process: stamping, machining,assembling, CNC machining, thread machining, mirror polishing4.Tolerance:+/-0.01mm5.Finish: Ra0 ... , turning, planning, grinding machinery and three-axle machining centers.Test Equipments:Hardness tester,Chemical analysis,Digital Measuring ... 3 axis and 4 axis ), CNC turning lathe, milling, drilling and Tap etc. which are used for Machining rough ...