... TS16949 fasteners bolts screws supply High tensile bolt Plating: Zinc,Nickle,copper,etc. --------------------------------------------------------------------------------------------------------------1. We ... steel/Brass/Copper3.Head Type:Pan,Truss,Cheese,C.S.K,Oval,Hexagon,Hexagon washer,Pan washer, ... self colour,black oxide, phosphate black, Zinc plating,Nickel,Chrome,Tin,Zn-Ni alloy,Delat,Geomet, ...