... by famous companies:Fine Cable,TYCO and Amphenol 3.RoHs standard ISO9001:2008 1,Name:Hex nut.2,Material:C36043,Standards: ... ISO,RoHs.4,Surface treatment: nickel; also according to ... fiber connectors, communication connectors, metal shell connectors. Special points:1, the main equipment adopts: precision moved shaft type automatic lathe ...