5 Bar is one of the popular pattern of Aluminum checker Plate. It features high strength, elongation, corrosion resistance and good ski-proof property. Welcome to find other pattens of aluminum checker plates here. Application of aluminium 5 bar tread plate 5 bar tread plate is mainly used for the floor of automobile, airplane, light rail, vehicle steps, stair treads, elevators, etc. You also can use tread plate sheets in your garage or workshop for a variety of purposes.