Description:Material - The rivet body and rivet of the tri-fold rivet are made of aluminum, which is strong, durable, corrosion-resistant, good stress, and suitable for long-term use.Design - Large head tri grip rivets adopt a large cap design, providing a larger contact area. After riveting, three auxiliary heads expand in different directions to form three points, creating a large closed surface on the back of the plate. This design provided greater surface bearing capacity. Easy to Use - To install an aluminum large head tri grip rivets, first drill a hole, insert the rivet, and use a tool to pull the core and expand the rivet, forming a secure connection.Widely Applicable - Large head tri grip rivets are commonly used in furniture appliances, industrial aviation, piping systems, containers, ships, kayaks, etc.