Dowel Pin Pin Type Slip Fit Material Steel Material Grade/Class Ungraded Finish Plain Pin Diameter 20 mm Shank Length Tolerance +/-0.310 mm Outside Diameter Tolerance +0.008/+0.021 mm Thread Size Not Applicable Rockwell Hardness C58-62 Single Shear Strength Not Applicable Product Type Dowel Pin Shank Length 50 mm System of Measurement Metric Nominal Diameter 20 mm Standards D6325 Grip Length Not Applicable Material Quality Standards Not Applicable Pack Size Not Applicable