Steel tread plate is used for a wide range of applications, from vehicle running boards to stairways to trailer floors. Also known as floor plate, checker plate or diamond plate steel, steel tread plate is durable and easy to clean. Highly resistant to chemicals, corrosion, and weathering, tread plate requires no special surface treatments and is all but maintenance-free.Checkered Plates McMaster-CarrThe textured surface hides fingerprints and dents. This material is widely used in decorative applications, such as partitions and handrails. 304 stainless steel is a good all-around choice that maintains its corrosion resistance in temperatures up to 1500° F.. For technical drawings and 3-D models, click on a part number. Certificates with a traceable lot number are available for these products.