any sizes , any head shapes ,or special parts with your print . We are professional manufacturer and exporter for different kinds of fasteners and metal parts . We can offer fasteners of many sizes and standards, GB, JB, ISO, DIN, ANSI (IFI), BS, JIS, etc.The material could be brass , aluminum , carbon steel , alloy steel , stainless steel , zinc , and so on . Our strong R&D and QC department can ...