The Hertel Taper Pin Reamer is a precision machining tool designed for creating or finishing tapered holes with exacting specifications. This #9 Pin reamer features a 0.4805" small end diameter that expands to 0.6066" at the large end, providing the perfect taper for standard #9 pins. Crafted from durable High Speed Steel, this tool delivers exceptional performance and longevity even with frequent use. The 6-1/16" flute length offers ample cutting surface, while the 9/16" straight shank diameter ensures secure mounting in your equipment. With 8 flutes in a left-hand spiral pattern and right-hand cut configuration, this reamer provides smooth operation and superior finish quality. The 8-5/16" overall length gives you excellent reach for deeper applications. This professional-grade tool is ideal for machinists, toolmakers, and manufacturing professionals who require precise tapered holes for pins, dowels, and other mechanical fastening applications.