... Thread: M, UNC, UNF, BSW6.Finish:Black,Zinc Plated ,HOT GALVANIZED,Cr Cu, Ni Plated or as request 7.Packing: Carton, Box, ... Bag, Pallet8.Free Samples available 2) All kinds of cnc part series Details ... brass, alloy, Aluminum, etc.FinishZimc plated(Cr,3+);zinc plated(Cr,6+); hot dipped galvanized;dacromet;nickle plated plain, black,.Standard ISO, DIN,GB ...