namer: stainless steel bolt material:carbon steel,stainless steel,alloys,copper,aluminum ... & stainless steel, aluminum, brass or other special materials. For finishing, we provide black oxide, zinc electroplating, phosphate, copper plating, ... galvanization, hot dip galvanization, etc. Descripion Item nameStainless steel bolt Materials Brass, Bronze, Carton steel, Stainless steel, Aluminum alloy ...