The Irwin Granite drill bit range has been designed for impact / percussion drilling in very hard materials such as granite, concrete and natural stone. They can drill 40% more holes than conventional masonry drill bits due to an extra hard, thicker and more robust carbide tip.

Brand Name	Irwin
Material	Granite
Manufacturer Model No	10501
Type	Drill Bit
Diameter	3mm, 3.5mm, 4mm, 5mm, 6mm, 6.5mm, 7mm, 8mm, 10mm, 12mm, 14mm
Item Id	21038723