This 5mm diameter, 90mm length Irwin Masonry Drill Bit is an essential size for general purpose drilling in brickwork, concrete and breeze block, particularly for common wall plug sizes. Designed specifically for fast and efficient drilling with cordless drills, this bit delivers up to 60% faster drilling than competitive drill bits whilst maintaining exceptional durability. The single flute design ensures faster dust removal for increased drilling speed, whilst the unique pressed diamond-ground
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