The Irwin IRW10501914 Granite drill bit has the following dimensions: Drillbit diameter: 14.0mm To...The Irwin IRW10501914 Granite drill bit has the following dimensions: Drillbit diameter: 14.0mm Total length: 160mm Working Length: 100mm. The Irwin Granite drill bit range is designed for impact or percussion drilling in very hard materials such as granite, concrete, and natural stone. These drill bits 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 result in higher durability, leading to 50% more accurately sized holes per drill bit.
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The Irwin IRW10501914 Granite drill bit has the following dimensions: Drillbit diameter: 14.0mm Total length: 160mm Working Length: 100mm. The Irwin Granite drill bit range is designed for impact or percussion drilling in very hard materials such as granite, concrete, and natural stone. These drill bits 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 result in higher durability, leading to 50% more accurately sized holes per drill bit.