Product Highlights: Closed Sealing Rivets provides a more robust riveting force, a greater supporting surface, and offers unique protection for delicate materials. Widely used in assembly of caravans, trailers, furniture, plastic-framed window body. The rivet assembly is inserted into a hole drilled through the parts to be joined and a specially designed tool is used to draw the mandrel into the rivet. This expands the blind end of the rivet and then the mandrel snaps off. Material:Durable heat resistant Stainless Steel material. Not easily damaged, No rust, anti-oxidation. ensuring durability and long-lasting performance.Product Information: Product Name: Dome Head Closed Sealing Rivets Material: Stainless Steel Color: Black Grip Diameter: 4.8mm / 0.19" Grip Length: 10mm / 0.39" Flange Diameter: 9.5mm / 0.37" How to use: Installation Steps for Closed Sealing Rivets: 1. Closed Sealing Rivets are fasteners used to connect two materials together without the need for access to both sides. 2. The installation process involves placing the rivet into a pre-drilled hole. 3. Then using a rivet gun to pull the mandrel, expanding the rivet and securing the materials in place. Content:50(+/-2%) Pcs Dome Head Closed Sealing RivetsNote:Please check size specifications and grip range before purchasing in order to avoid buying wrong size.