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Carbide Tip Concrete Drill Bits Assortment (5/32" & 3/16")Hillman Item #3546
An assortment of carbide tip concrete drill bits from The Hillman Group. Concrete drill bits are used in hammer drills to create pilot holes in concrete. Bits in this assortment feature a high-strength carbide tip to create more precise pilot holes. Variants included in this assortment come in diameters of 5/32" & 3/16" and range from 3-1/2" to 5-1/2" in length. Full assortment contains six (6) refills comprised of Hillman item numbers #3547 - #3552.