Overview Reviews Product Description HSS 118° Degree point with 3 ground flats on the shank for no-slip chucking Black and gold surface treatment for maximum lubricity 1/2" Standard reduced shank to expand the size range capacity of 1/2" drill chucks Recommended for drilling a wide range of low to medium strength materials Clarkson Osborn Catalog Product Videos Custom Field Diameter 1" Flute length 3" Overall length 6" Shank diameter 1/2" Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 1" x 1/2" Reduced Shank HSS Prentice Drill Bit DR50100 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *