Tri-fold exploding rivets with a dome head sit above the installation surface once installed. The dome portion of the hat is rounded and provides a smooth finish after the mandrel is snapped off. Tri-fold rivets expand out in three directions as the mandrel is pulled into the hat of the rivet. These wings provide excellent hold against installation materials.
Dome head tri-fold rivets also come with an EPDM washer which is compressed against the hole as the rivet is riveted. Once installed the rubber washer fills any holes between the hat and hole of the rivet. This creates a watertight seal which makes these rivets popular in RV, Kayaks and automotive applications.
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