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. ... custom-made basis.Our Product Types:1. precision fastener,2. screws,3. nuts,4. rivets,5. cable ties ...