Irwin Granite Masonry Drill Bit

The Irwin Granite Masonry Drill Bit in 5.0mm diameter x 90mm length is ideal for medium-duty fixing applications and standard rawlplug installations. This popular size is extensively used for general bracket mounting, shelving systems, and everyday masonry fixing tasks in granite, concrete and natural stone. The extra hard, thicker carbide tip enables this 5mm drill bit to drill up to 40% more holes than conventional masonry drill bits, significantly reducing replacement costs and downtime on the job. The innovative rounded cutting edges deliver 50% more accurately sized holes per bit, ensuring consistent precision throughout its extended service life. With a 90mm overall length, this drill bit offers the perfect combination of drilling depth and control, making it suitable for a wide range of applications from light domestic work through to demanding trade installations where reliability and accuracy are essential.