Ruko 245005 is a metal fastener and consists of a round head and a cylindrical stem. It is used in applications such as mounting signs, display fixtures and panels to structures. It is made from zinc plated steel, which is a corrosion resistant material, and is designed to be driven into a variety of materials, such as wood, metal, plastic, or drywall. Common features of this type of fastener include a slotted-head design, and the ability to self-pierce and self-tap, meaning no pilot hole is required.