CNC machining parts brass nut Material: brass , stainless steel Finish: Zinc, nickel plating free ... precision parts: valve accessory, brass tube fittings, elbow, tee, nut; Auto-lathe turning precision part: precision electronic parts, fasteners, and ... CNC machining centers, CNC lathe, Auto-lathe , pressing and forging machine, polishing equipment, etc(4) Main inspection devices: digital projector, ...