Pop Blind Rivet - 3/16 x 6-10 - Button Head - Up to 5/8in Grip - Steel/Steel - USA - Pkg of 250, Titan Fasteners, Mfr#: NDBGSMD610S

a rivet is a cylindrical, permanent mechanical fastener with a forged head used to fasten two separate materials. Generally made with a head at one end, the other end being hammered into a head after insertion.