... sand castings mateiral : ductile iron machining:CNC turning,CNC milling,CNC drilling,CNC boring for diesel engine diesel engine camshaft.sand ... milling,CNC drilling,CNC boring 1,material:sand casting or forging2,sand casting or forging3,machining:CNC turning,CNC ... ,CNC boring4,weight:0.2-60kg5,surface treatment:sand blast,electrophoresis,Arco6,Heat treatments:quenching and temperingPacking: ...