Dowel Pin System of Measurement Inch Standard Dowel Basic Material Alloy Steel Fastener Finish Plain Rockwell Hardness C60 Pin Dia 0.6251 to 0.6253 in Fastener Length 3 in Nominal Diameter 5/8 in Length Tolerance +/-0.012 in Single Shear Strength (Lbs.) 39 900 lb Double Shear Strength (Lbs.) 79 800 lb Package Quantity 85