- 3/8" and larger drills have reduced shanks
- All-purpose for do-it-yourselfers
![Irwin Hanson® 611 Series Carbide Tipped Economy Rotary Masonry Drill Bits, 3/8" X 4", #IR-61124 (5/Pkg) Irwin Hanson® 611 Series Carbide Tipped Economy Rotary Masonry Drill Bits, 3/8" X 4", #IR-61124 (5/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/259384/456714/Untitled_design_-_2023-02-13T141528.507__55137.1676319355.jpg?c=2)
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