Below is a list of Stainless Steel Screws manufacturers from Portage, Michigan. Screws made of stainless steel are high strength, corrosion resistant fasteners used in the automotive, electronic, medical, marine, construction and many other industries. Stainless steel alloys are iron-based metals containing at least 10% chromium and other metals, which provide added corrosion and heat resistance. They do not require a protective coating, and they are able to perform well in a wide range of conditions and temperatures.