The Hertel Taper Pin Reamer is a precision machining tool engineered for creating and finishing tapered holes with exacting specifications. This #7 Pin reamer features a 0.422" large end diameter tapering to a 0.3297" small end, perfect for producing precise tapered holes for pins and mechanical components. Constructed from high-quality High Speed Steel, this tool delivers excellent wear resistance and extended service life through multiple operations. The reamer's design includes 6 straight flutes with a substantial 4-7/16" flute length for optimal chip evacuation and superior cutting performance. With a 13/32" diameter straight shank for secure mounting, 6-5/16" overall length, and right-hand cut configuration, this tool provides exceptional control and finish quality. Manufactured to tight tolerances, the Hertel reamer ensures consistent and accurate results for professional machinists and toolmakers who demand precision in their work.