IRWIN 10501893 Masonry Drill Bit for Cordless Drills 4mm-12mm 7 Pieces

The Irwin Masonry Drills Bits are designed for fast and efficient drilling in brickwork concrete and breeze block 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 with the unique... morepressed diamond-ground carbide tip allows for aggressive cutting and the carbide tip design also ensures 20% longer life compared to previous Irwin masonry drill bits. The bits are made with a chrome vanadium body with high carbon content which allows more hardening and a stronger bit for maximum rupture strength. This set contains the following sizes: 4.0 5.0 6.0 7.0 8.0 10.0 and 12.0mm.PTDIRW10501893