- Applicable Materials:Concrete, Brick
- Tungsten carbide tip for durability in concrete and brick
- Deep single flute removes drilling dust fast
- Diamond ground tip with more aggressive cutting angles for increase drilling speed
- Changed back angle from 10 - 24 deg
- More aggressive 26.0 mm flute pitch
- Tested other carbide grades, current grade performed the best
- Optimized flute geometry for fast dust removal
![Irwin Hanson® Rotary Masonry Drill Bit 1/8" X 3", Carbide #IR-61108 (5/Pkg) Irwin Hanson® Rotary Masonry Drill Bit 1/8" X 3", Carbide #IR-61108 (5/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/308798/442289/61108__47816.1665682642.jpg?c=2)