These drill faster than 4 cutter bits but tend to drill oblong holes. 2 cutter SDS bits are better for glue-ins. Available in 3/8" and 1/2".
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Skip to contentThese drill faster than 4 cutter bits but tend to drill oblong holes. 2 cutter SDS bits are better for glue-ins. Available in 3/8" and 1/2".