TS16949 fasteners bolts screws supply High tensile bolt Plating: Zinc,Nickle,copper,etc. --------------------------------------------------------------------------------------------------------------1. We produce items as your drawing, ... Finish: Steel can do self colour,black oxide, phosphate black, Zinc plating,Nickel,Chrome,Tin,Zn-Ni alloy,Delat,Geomet,Dacromet,ect ...