Insert nut is KEMEILONG patented products.It's is a type of internal threaded fastener product used for metal sheet metal. It is installed using a rivet gun, which is convenient to operate and efficient without noise. During installation, the rivet nut is placed inside the rivet gun mouth, and the tail of the rivet nut is tightened into the sheet metal hole to complete the riveting. Our company has stainless steel, carbon steel, aluminum, various materials, and excellent quality. Welcome to consult and cooperate!