... Precision Parts 1)Material:brass. 2)Equipment:cutting machine,CNC machine 3)craft:cutting,then process by CNC Precision Parts:1) ... Material: Steel,stainless steel,copper,brass,aluminum,nonferrous metal alloy,hard alloy, high-density alloy ... - 0.01mmc) Roughness value: < Ra 0.2d) Minimum cutting tool: 0.1mm.Yuyao Hokaili Industry limited is a manufacturer ...