TriBulb Rivet Head Type Flange Rivet Material Aluminum Mandrel Material Aluminum Rivet Dia 3/16 Rivet Length 0.602 Grip Range 0.039 to 0.157 Solid Core Head Dia 0.386 Head Height 0.071 Drill Size #11 Hole Size 0.191 to 0.200 Single Shear Strength (Lbs.) 216 Tensile Strength (Lb.) 284 Color Black Package Quantity 50