Overview Reviews Product Description Premium submicron grain carbide Bright finish (TiN and TiAIN coatings available) 135° Four facet point Slow spiral for tough drilling applications Precision ground carbide drills are designed for high feed rate and good chip evacuation while providing excellent wear resistance and hardness Designed for drilling cast iron, aluminum, copper, plastics, bronze and other similar materials Clarkson Osborn Catalog Product Videos Custom Field Diameter #40 Flute length 13/16" Overall length 1-13/16" Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn #40 Solid Carbide Stub Drill Bit SC12740 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *