Precision meets performance with the Hertel Chucking Reamer. This high-quality tool features a 0.4380" diameter with 6 flutes for smooth, accurate hole finishing. Crafted from durable High Speed Steel (HSS) with a bright finish, this reamer is built for professional applications. The straight-cylindrical shank design ensures secure mounting in your chuck, while the 7" overall length provides excellent reach and versatility. With a 1-3/4" flute length and right-hand cut and spiral, this reamer delivers consistent, precise results. Ideal for machinists and metalworking professionals who demand reliability and accuracy in their tooling. The straight flute configuration makes this reamer perfect for finishing holes to exact specifications in various materials. Part #72034382 from MSC Industrial's trusted Hertel line represents industrial-grade quality for your most demanding projects.