Chicago-Latrobe 190C-TN 11/16 General Purpose TiN 118 Silver & Deming Drill with 1/2 Reduced Shank 53644

Large size general-purpose drills with three-flatted 1/2" reduced shank. Manufactured from premium cobalt high-speed steel. 118° split point for easier more precise penetration. Standard 6" overall length and 3-1/8" flute length for increased rigidity less deflection and better hole accuracy. Standardized lengths result in minimal adjustment during tool changes in screw machines and machining centers. Three flats on shank for a more positive grip in the drill chuck; flats reduce drill slippage under high loads. Ideal for portable drilling due to increased rigidity. Tin (titanium nitride) coating adds lubricity and hardness enhancing chip flow finish hole quality and drill life. Use wherever maximum chuck capacity is 1/2". For drilling in carbon steel allow steel and cast iron. Made in usa. 30 day warranty.

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