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Title: requires a Milwaukee 48-20-5077 for use with an SDS hammer drill
Review: Part of Milwaukee's Large Hole System, I did not know such things existed until I searched for a way to avoid star-drilling tankless water heater vent holes in a cinder block wall.In 10 minutes or so with an appropriate rotary hammer, this makes nice round holes in cinder blocks with less effort than imaginable.It is rated for drilling in poured concrete, and debris removal for such jobs is reputedly a challenge which I intend to avoid.
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