The Hertel High Speed Steel Taper Pin Reamer (#8 Pin) delivers precision machining performance for professional applications. Featuring a tapered design with a 0.3971" small end and 0.505" large end diameter, this reamer creates perfectly sized holes for taper pins and fasteners. Constructed from durable high speed steel, it offers excellent wear resistance and extended tool life. The 6-flute design with left-hand spiral and right-hand cut configuration ensures smooth cutting action while efficiently evacuating chips during operation. With a generous 5-3/16" flute length and 7-3/16" overall length, this reamer provides ample reach for deeper hole applications. The 7/16" straight shank diameter ensures secure mounting in appropriate tool holders for stable, accurate reaming operations. Ideal for industrial machining environments where precision and reliability are essential for creating tapered holes with consistent dimensions and superior surface finish.