3/16" x 12", High Speed Split Point Drill Bit, Helix Is 31 Degree Which Minimizes The Over Aggressiveness Of A True Parabolic Flute, 135 Degree Split Point For Quick Start & No Walk Applications, Parabolic Flute Design Improves Chip Ejection In Metal & Wood Drilling Applications, Back Oxide Coating For Greater Resistance To Wear, Industrial Grade Steel, For Drilling In Metal, Wood & Plastic._x000D_.
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