Overview Reviews Product Description Cobalt Bright and black finish Morse taper shank Right hand cut Left hand helix These reamers can be run approximately 25% faster than regular HSS reamers with increased life due to the cobalt substance Left hand spiral flute design pushes chips forward out of the hole and allows the reamer to be used in holes that have an interruption Clarkson Osborn Catalog Product Videos Custom Field Diameter 34mm Flute length 78mm Overall length 321mm MTS size #4 Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 34mm x #4 Cobalt Morse Taper Chucking Reamer RE22840 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *