... nickel plating,chrome plat stainless steel bolt:We can supply a variety of high quality stainless valve,air Cylinders. ... soon as possible.Item Name stainless steel boltMaterialStainless steel(303,304,316);Free cutting steel (12L14,12L15,1214,1215, ... 6061,6063,7075);BrassH58,H59,H60;Bronze,Carbon Steel;Plastic(PVC,ABS,Nylon,Acrylic)etc.StandardNonstandard ... best to meet your demand ! stainless steel bolt