Taper Pin Thread Size Not Applicable Pin Size #9 Large End Diameter 0.591 in Small End Diameter 0.539 in Pin Type Standard Product Type Taper Pin Material Steel Material Grade/Class Ungraded Finish Plain Usable Length 2 1/2 in Large End Diameter Tolerance +0.0013/-0.0007 in Small End Diameter Tolerance +0.0013/-0.0007 in Shank Length 2 1/2 in System of Measurement Inch Usable Length Tolerance +/-0.010 in Dimensional Standards ASME B18.8.2 Pack Size Small Pack