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Bosch 1-1/4 in. x 31 in. x 36 in. SDS-Max Speed-X Carbide Rotary Hammer Drill Bit for Concrete Drilling HC5073 - The Home Depot
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Bosch MultiConstruction 1/4-in x 6-in Alloy Steel Masonry Drill Bit for Rotary Drill/Impact Driver in the Masonry Drill Bits department at Lowes.com
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