IRWIN 88805 Spade Drill Bit, 5/16 in Dia, 6 in OAL, Flat Flute, 1/4 in Dia Shank, Hex Shank
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Blue groove point and cutting edge for faster chip removal, single pointed spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
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