Overview Reviews Product Description Special high molybdenum tool steel Flats on shank give positive chuck-grip (3/16" and Larger) 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed Body and clearance are gold surface treated for maximum lubricity Mechanics length drills have a shorter flute length and overall length vs. jobber drills which makes them less prone to breakage Clarkson Osborn Catalog Product Videos Custom Field Diameter 1/2" Flute length 3-3/8" Overall length 5" Package quantity/sold as each 5 Product Reviews Write a Review Write a Review × Clarkson-Osborn 1/2" Hi-Molybdenum Tool Steel Mechanic Length Drill Bit DF17032 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *