Perforated steel grating is a one-piece rigid, virtually maintenance-free metal flooring product. It provides a safe walking and working surface. The unique surface of large embossed holes and perforated buttons provides maximum slip protection. Perforated metal grating has high load capacity, long life, and high strength to weight performance is achieved through depth of section and structural design. Formed grating planks with integral side channels support loads with minimum transverse and longitudinal deflection. There are no rivets or pressure joints to break or loosen. It is used as safety gratings for stair tread and floors. Steel plank grating is extruded from aluminum. D uring manufacture, holes can be punched into the grating surface. A rectangular hole pattern is standard. A round hole, square hole or solid surface pattern is also available by special order. Hole size: 0.1mm-100mm Thickness: 0.1mm-8.0mm Width: 0.1m-2m Length: 4m Features of perforated metal gratings: Easy installation Versatile application Large open area for drainage High load capacity Slip resistant design Variety of panel widths/heights Uses: they are mainly applied as platforms and stair treads for constructions, vessels, bridges and boilers. They are also used as reinforcement for light construction materials and concrete pouring, radiator grills on all types of vehicles and air compressors, safety guards for gear-drive equipment on various kinds of machines.