Irwin Granite Concrete Drill Bit.

A rotary-hammer drill bit designed for very hard materials such as granite and concrete. It has a cylindrical handle and a precise cutting edge for exceptionally efficient drilling. Manufactured by Joran.

Manufacturer: Irwin
Catalogue number: 10501913
Diameter: 11.0 mm
Working length: 105 mm
Total length: 160 mm
Handle diameter: CYL, same as diameter (mm)
Application: For rotary and rotary-hammer drilling in very hard materials such as granite and concrete.
Construction: Double, ground spiral for very fast drilling. A precise and extremely hard and durable carbide ensures accuracy and up to 40% more drilled holes compared to standard bits. Exceptionally low drilling cost.
Packaging: Supplied in a plastic tube or case.

Granite is a specialist drill bit designed for rotary-hammer drilling in very hard materials such as granite and concrete. Manufactured in the Danish factory of Irwin Joran. It has an exceptionally hard and wear-resistant carbide tip, enabling it to drill 40% more holes compared to standard concrete drill bits. It is mainly recommended for stonemasons due to its ability to drill into natural stone. In addition, it has specially formed cutting edges for increased durability, providing 50% more precise holes per bit.