IRWIN 5/16 In. X 4 In. Masonry Drill Bit
$4.00
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Engineered with a deep single flute, the 5/16 in. x 4 in. Masonry Drill Bit removes drilling dust fast for better visibility and a longer bit life. The tungsten carbide tip is made for demanding materials like concrete and brick. This drill bit may also be used in standard rotary drills.
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