Irwin Granite Masonry Drill Bit

The Irwin Granite Masonry Drill Bit in 7.0mm diameter x 110mm length is ideal for heavy-duty fixing applications and larger rawlplug installations. This size is commonly used for substantial brackets, shelving systems carrying heavier loads, and robust mounting work in granite, concrete and natural stone where maximum holding power is required. Featuring an extra hard, thicker carbide tip, this 7mm drill bit can drill up to 40% more holes than conventional masonry drill bits, providing excellent