Machining Parts, Hardwares, Screws manufacturer / supplier in China, offering High Quality CNC M2XL5 Hex 4.0 Female Nickel Plated Brass Threaded Spacer/Standoff/Nut, M2X5 Pan Head Phillips Drive Micro Self Tapping Screw Carbon Steel with Black Nickel Plated, M3 Phillips Pan Head Carbon Steel Zinc Plated Assemblies Sems Machine Screw with Plain Washer and Spring Washer and so on.