Irwin Masonry Drill Bit Set mm 7 pcs
The Irwin masonry drill bits are designed for fast and efficient drilling in brickwork, concrete and breeze blocks, especially with cordless drills. They drill up to 60% faster than competitive drill bits, whilst maintaining the same high durability. The single flute design ensures faster dust removal for increased drilling speed. The unique, diamond-ground carbide tip allows for aggressive cutting and it also ensures an improved durability of 20% compared to previous Irwin masonry drill bits. The bits are made with a chrome vanadium body with a high carbon content, which allows more hardening and a stronger bit for better tensile strength. This Irwin masonry drill bit set contains 7 pieces in the following sizes: 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 10 mm and 12 mm. Read more