R-type plastic rivet is also called expansion rivet, which is composed of plastic sub rivet and female buckle. During installation, it is unnecessary to use installation tools. Place the installation base in a smooth hole, and then press down the head. The specially designed feet will expand and stretch under the force, and be firmly locked on the installation surface. It is often used to connect plastic shells, lightweight plates, insulating materials, circuit boards, or any other thin, lightweight materials. It is beautiful, practical, and convenient to use.