Overview Reviews Product Description HSS For chamfering, deburring, and countersinking 6 flute geometry to reduce chatter and a fast shearing cut Longer tool life due to distributing the cutting load over 6 teeth Clarkson Osborn Catalog Product Videos Custom Field Diameter 1-3/4" Material HSS Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 1-3/4" HSS 6 Flute 82° Countersink ZD70148 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *