Taper Pin Thread Size Not Applicable Pin Size Metric Large End Diameter 13.1 mm Small End Diameter 12 mm Pin Type Standard Product Type Taper Pin Material Steel Material Grade/Class Ungraded Finish Plain Large End Diameter Tolerance Not Applicable Small End Diameter Tolerance +/-0.07 mm System of Measurement Metric Usable Length Tolerance +/-0.75 mm Manufacturer Location Globally Sourced Shank Length Tolerance +/-0.75 mm Standards ISO 2339B Rockwell Hardness B52