Irwin Granite Concrete Drill Bit.

A rotary-hammer drill bit designed for very hard materials such as granite and concrete. The cylindrical handle provides exceptionally efficient drilling thanks to the precision edge. Joran quality.

Manufacturer: Irwin
Catalog number: 10501915
Diameter: 13.0 mm.
Working length: 100 mm.
Overall length: 160 mm.
Handle diameter: 10 mm.
Application: Designed for rotary and rotary-hammer drilling in very hard materials such as granite and concrete.
Construction: The double, ground spiral enables very fast drilling. The precise and exceptionally hard carbide tip provides accuracy and up to 40% more drilled holes compared to standard drill bits. Exceptionally low cost per hole.
Packaging: Supplied in a plastic tube or box.

Granite is a specialist drill bit designed for rotary-hammer drilling in very hard materials such as granite or concrete. Produced at the Irwin joran factory in Denmark. Its exceptionally hard and wear-resistant carbide tip enables it to drill 40% more holes than standard concrete drill bits. Recommended mainly for stonemasons due to its ability to rotary-hammer drill natural stone. In addition, it has specially shaped cutting edges that are more durable, giving 50% more precise holes per drill bit.