FeaturesBrazing formula optimizes drilling for up to 20% longer lifeUnique flute geometry provides efficient dust removalCentering point and 4-cutter design provide accurate and precise round holesHighest quality carbide maximizes material pulverizationThe optimized flutes provide fastest debris extraction speeding up drill ratesFeature a 4-cutter 4 x 90 deg tip geometry to avoid lock up in rebar, patented rebar chamfers for increased durability