Dowel Pin Pin Type Mil Spec Oversized Material Steel Material Grade/Class Ungraded Finish Plain Pin Diameter 21/64 in Shank Length Tolerance +/-0.010 in Outside Diameter Tolerance -0.0197/-0.0199 in Thread Size Not Applicable Rockwell Hardness C50 Single Shear Strength Not Applicable Product Type Dowel Pin Shank Length 1 in System of Measurement Inch Nominal Diameter 5/16 in Standards ASME B18.8.2 Grip Length Not Applicable Material Quality Standards Not Applicable