... 0.02mmSecondary OperationsBending,Brazing,Cross,Drilling,Grinding,Knurling,Laser Cutting,Milling,Slotting,Surface,Grinding,Tapping,Threading,Ultrasonic ... Hard Coat Anodizing,Heat-treating,Induction Heat Treating,Laser Etching,Pad Printing.Painting,Parkerizing,Plating,Polishing,Powder ... ,TeflonOtherBronze,Brass,Hardened metal,Precious metal CNC aluminum cylinder with inner threaded lathe parts in dongguan ...