1.Swiss lathed hex nut 2.Used 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 customers request.5,Should use: circular waterproof connectors, sensing connectors, needle flange connectors, pore type flange connectors, needle type cable connector, pore type cable ...