Overview Reviews Product Description HSS Bright finish 118° Degree point Slow spiral flute design - to be used for applications in brass, fiberglass, hard rubber and plastics The wide flutes and low helix angle allow a greater volume of chip removal with higher feed rates Clarkson Osborn Catalog Product Videos Custom Field Diameter #21 Flute length 2-1/8" Overall length 3-1/4" Package quantity/sold as each 10 Product Reviews Write a Review Write a Review × Clarkson-Osborn #21 Bright Finish Slow Spiral Jobber Drill Bit DR72221 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *