high precise oem cnc lathe milling machining brass steam tap shaft knurled insert screw nut pipe fittings valve sensor parts

high precise oem cnc lathe milling machining brass steam tap shaft knurled insert screw nut pipe fittings valve sensor parts, US $ 0.1 - 3 / Piece, Cnc Machining, Broaching, DRILLING, Etching / Chemical Machining, Laser Machining, Milling, Other Machining Services, Rapid Prototyping, Turning, Wire E