Profile: Diamond Tread Plate Factory specializes in providing tread plates, stair treads and metal security flooring. Our products are made in metals of aluminum, stainless, and HDG carbon steel. We offer different types of patterns, which include checkered pattern, embossed pattern and diamond patterns. Diamond checkered steel plate with concave and convex patterns on the surface, this type of steel plate is called checkered tread steel plate. They have resistance of corrosion. We can roll/press a tread pattern into various stainless steel materials.