Bolt, Nut, CNC Machining Parts manufacturer / supplier in China, offering High Strength/Embedded/Hexagonal/Conductive and Thermal Corrosion Resistant/Environmental Protection DSC-5814/DSC-5815 Copper Nut, Galvanized Nickel Copper Chromium Hex Socket Eccentric Step Screws for Fixed Circuit Boards Electronic Components Precision Instruments, Galvanized Round Head Long Rivets-for Connecting Internal Components of Circuit Boards and so on.