This 3.5mm diameter, 75mm length Irwin Masonry Drill Bit is ideal for fine drilling work in brickwork, concrete and breeze block, particularly for small fixings and pilot holes. Designed specifically for fast and efficient drilling with cordless drills, this bit delivers up to 60% faster drilling performance than competitive drill bits whilst maintaining the same high durability. The single flute design ensures faster dust removal for increased drilling speed, whilst the unique pressed diamond-g
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