Blind Rivet Head Type Structural Brazier Rivet Material Steel Mandrel Material Steel Rivet Dia 1/4 In. Rivet Length 1.958 Grip Range .500-.625 Head Dia .475-.525 Head Height .113-.125 Hole Size .250-.266 Single Shear Strength (Lbs.) 3050 Tensile Strength (Lb.) 3000