The Irwin IRW10501905 Granite drill bit is designed for impact or percussion drilling in very hard...The Irwin IRW10501905 Granite drill bit is designed for impact or percussion drilling in very hard materials such as granite, concrete, and natural stone. It has a diameter of 7.0mm and a total length of 110mm, with a working length of 65mm. This drill bit can drill 40% more holes than conventional masonry drill bits due to an extra hard, thicker, and more robust carbide tip. The rounded cutting edges provide higher durability, resulting in 50% more accurately sized holes per drill bit.
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The Irwin IRW10501905 Granite drill bit is designed for impact or percussion drilling in very hard materials such as granite, concrete, and natural stone. It has a diameter of 7.0mm and a total length of 110mm, with a working length of 65mm. This drill bit can drill 40% more holes than conventional masonry drill bits due to an extra hard, thicker, and more robust carbide tip. The rounded cutting edges provide higher durability, resulting in 50% more accurately sized holes per drill bit.