... guarantee the quality 4.Sample order works here Item NO. cnc machined jig and fixtureMaterialsIron, aluminum, steel, copper, plastic, carbon steel ... .Specifications of machining parts:1, Material :Brass , bronze , copper , aluminium , alloy , stainless steel and so on;2, Usage: auto & ... Surface roughness: Ra0.8-3.2;6, Weight: ranging from 0.50g to 10000kg;7,Surface Finish: electronic polishing, oiled ...