Precision meets durability with the Hertel 0.1870" Diameter Chucking Reamer. Crafted from premium cobalt steel, this straight flute dowel pin reamer delivers exceptional performance and longevity even when working with harder materials. The straight-cylindrical shank ensures secure mounting in your machine, while the 4-1/2" overall length provides excellent reach and versatility. With a 1-1/8" flute length and right-hand cut and spiral, this reamer produces clean, accurate holes with superior surface finish. The bright finish not only enhances visibility during operation but also helps resist corrosion. Ideal for precision dowel pin applications, this Hertel chucking reamer maintains tight tolerances and delivers consistent results across multiple operations. Perfect for professional machinists and fabrication shops demanding reliable performance and exceptional hole quality.