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 features a precision edge for exceptionally efficient drilling. Manufactured by Irwin, it is of high quality.

Manufacturer: Irwin
Catalogue number: 10501897
Diameter: 5.0 mm
Working length: 50 mm
Overall length: 90 mm
Handle diameter: CYL as diameter (mm)
Application: Designed for rotary-hammer drilling in very hard materials such as granite and concrete. Can be used for both rotary and rotary-hammer drilling.
Construction: The double-ground and polished spiral allows for very fast drilling. The precise and exceptionally hard tungsten carbide ensures accuracy and up to 40% more drilled holes compared to standard drill bits. This results in a very low cost per hole drilled.
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 by the Danish factory Irwin Joran, it features an exceptionally hard and wear-resistant tungsten carbide tip that allows it to drill up to 40% more holes than standard concrete drill bits. It is mainly recommended for stonemasons due to its ability to drill in natural stone. The specially formed cutting edges also provide increased durability and precision, giving 50% more precise holes per drill bit.