Irwin Granite Concrete Drill Bit.

A rotary-hammer drill bit designed for very hard materials such as granite and concrete. The cylindrical handle and precision edge ensure exceptionally efficient drilling. Manufactured by Joran-quality Irwin.

Manufacturer: Irwin
Catalog Number: 10501895
Diameter: 3.5 mm
Working Length: 40 mm
Overall Length: 75 mm
Handle Diameter: CYL equal to diameter (mm)
Application: Designed for rotary and rotary-hammer drilling in very hard materials such as granite and concrete.
Construction: Double, ground spiral allows for very fast drilling. Precise and exceptionally hard and durable carbide ensures accuracy and up to 40% more drilled holes compared to standard drill bits. Exceptionally low cost per hole drilled.
Packaging: Supplied in a plastic tube or case.

Granite is a specialized drill bit designed for rotary-hammer drilling in very hard materials such as granite and concrete. Manufactured by Danish factory Irwin Joran. They feature an exceptionally hard and wear-resistant carbide tip that allows them to drill up to 40% more holes than standard concrete drill bits. They are recommended mainly for stonemasons due to their ability to drill in natural stone. Additionally, they have specially shaped cutting edges with increased durability, providing 50% more precise holes per drill bit.