1.Material:Steel,brass, alloy etc 2.Standard :DIN, ISO,ANSI,IFI. 3.Size:M1-M20 4.Length:1-300mm 5.Finish:Zn,Ni,Gold,Si,Cu 1.Material:Steel,brass, alloy etc2.Standard :DIN, ISO,ANSI,IFI.3.Size:M1-M204.Length:1-300mm5.Finish:Zn,Ni,Gold,Si,Cu We are a manufacturing company for precision fastener in China, and offer customers a broad range of expertise in designing and manufacturing. Our semi- ...