0.122" Diameter Shank, 0.235" Diameter Countersunk Head, 0.064 to 0.152" Grip Range, Low Carbon Steel, Rivet Rivet Shank Diameter 0.122 Inch Head Type Countersunk Head Diameter 0.235 Inch Recommended Hole Diameter 0.138 to 0.141 Inch (Front), 0.122 to 0...