cnc machining steel knurled parts 1.Accepted your customized and small order ... within 24 hours. Our main products as below:Materialsstainless steel, copper, steel, aluminum, zinc, Surface FinishAnodized, powder coating, painting ... hand lathe grinder, thread rollingmachine, tapping drilling machine , projecting apparatus,Tapping drilling machine, projecting apparatus, roughness tester, hardness tester, ...