1.machining parts, 2.CNC proscess 3.silica casting 4.allowance:+/-0.05mm 5.China, Cangzhou Construction Machinery Parts precision casting,silica casting Specifications: Machining PartsModel No.: machining parts, CNC process, silica casting Size :1"Material :Carbon Steel, Alloy Steel, Stainless Steel etc.Surface Treatment:Zinc, Nickel, Chrome, etc.Accuracy:Accuracy of Machining :+/-0.05mmAccuracy ...