Machining Parts, Hardwares, Screws manufacturer / supplier in China, offering Custom Aluminum Round Spacers-M3X6 Length 18mm, Plain Finish, Machined Hardware Standoffs, Custom Metal Male Female Threaded Standoff, Hex Spacer, Chamfer Cylinder Stud, Custom M3 Metal Threaded Standoff, Nickel Plated Carbon Steel Hex Spacer with Chamfer Cylinder and so on.