Overview Reviews Product Description Bright finish (TiN and TiAIN coatings available) 118° Degree point Regular spiral HSS body, carbide tip provides excellent wear resistance Recommended for drilling cast iron, composites, aluminum castings, bronze, fiberglass and other non-ferrous materials Clarkson Osborn Catalog Product Videos Custom Field Diameter 4mm Flute length 2-1/8" Overall length 3-1/4" Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 4mm TiN Coated Carbide Tipped Jobber Drill Bit SC04540T Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *