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The DEWALT Rotary/Percussion Masonry Drill Bits have 130° Douglas Form carbide tips. They are ideal for drilling anchor, plastic, fixing or pipe work clearance holes. Suitable for drilling masonry, brick/block work and stone.
The shank diameter for drill bits 10-13mm is reduced to 9.5mm and for drill bits larger than 13mm, it is reduced to 12.7mm."
DeWalt Masonry Drillbit 6.0 x 150mm