After riveting, the rear end expands in the form of three petals, which helps to distribute the force and improve the stability of the fastening. Suitable for a certain range of sheet thicknesses, offering greater adaptability in installation. Both the rivet body and mandrel are made of aluminum, resulting in a lightweight design and easier installation. The surface is polished, giving it a clean look, suitable for exposed installation scenarios. The dimensions of fasteners have normal manufacturing tolerances, which do not affect normal use and assembly., Manufacturer: LWYLY