namer: stainless steel bolt material:carbon steel,stainless steel,alloys,copper, ... galvanization, hot dip galvanization, etc. Descripion Item nameStainless steel bolt Materials Brass, Bronze, Carton steel, Stainless steel, Aluminum ... Photomechanical System Equipment, Self-Help Payment Terminal System Equipment, Entry and Exit Inspection Terminal Equipment,Self-Help Hospital Registered Equipment, etc ...