... Steel,Stainless Steel 4)Surface:Zinc Plated,HDG,Bl thread bars din975name:thread barsstandard:din975surface:zinc plated , black , plain , H.G.Dgrade ... :woven bag , paper tubeOur main products are bolts, screws, nuts, machine screws, plain washers, spring lock washers, wood screws, tapping screws ... , you are welcomed to visit us. AL6XN(NO8367)stainless steel thread bar DIN975