AS TOOL CENTER 28mm Dry / Wet Diamond Core Drill Bit for Masonry Brick Block Granite Concrete
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About this itemUsed for drilling soft brick, soft masonry, concrete block, granite, reinforced concrete etc.28mm Diamond Drill Bit Cut perfect circles.Made of high quality diamond with precision drilling speed and long service life.Wet or dry use. To prolong its service life, must be used with water for cooling and lubrication.
