Contractor grade drill bit manufactured from M1 High Speed Steel. For use in a wide range of materials in the iron and steel families such aluminum, iron, steel and other metal drilling. 135 degree split point tip for self-centering and reducing thrust. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. 3-Flat shank creates an extra secure hold in your chuck. Common flute and overall length for minimal adjustment during tool changes 3" Flute Length, 6" Overall Length, 1/2" Shank. Sizes in set include 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16 and 1"
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