Precision meets performance with the Hertel 0.0640" Diameter Chucking Reamer. This high-quality machining tool features 4 straight flutes crafted from durable High Speed Steel (HSS) with a bright finish for excellent visibility during operation. Designed with a straight-cylindrical shank for secure mounting, this reamer delivers consistent, accurate holes with superior surface finish. With an overall length of 2-1/2" and a flute length of 1/2", it's perfectly proportioned for precision work. The right-hand cut and spiral ensure efficient chip evacuation while maintaining hole accuracy. Ideal for finishing operations in manufacturing, maintenance, and repair applications where tight tolerances are critical. This professional-grade reamer (Part #72006406) is engineered to provide extended tool life and reliable performance in various materials.