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.
The rounded cutting edges mean higher durability resulting in 50% more accurately sized holes per drill bit.
Specifications
Drillbit diameter 8.0mm.
Total length 120mm.
Working Length 70mm
Drillbit diameter 8.0mm.
Total length 120mm.
Working Length 70mm
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