... finish material square nut coarse thread M3 Ni-plated HPb59-1Product features for all our products:1.Product range :screw,nut ... ,rivet,axle, iron core2.Standard:GB BS JIS ANSI DIN Or Non ... Surface:Zinc-plated,Nickel-plated,Radiant-plated.black5.Material:CarbonSteel 08A,22A, Q195,Q235, Stainless Steel 304,667Product view:Workshop overview: copper square ...