Tungsten carbide tip is durable when drilling in concrete and brick. The deep single flute removes drilling dust fast. Bit has a zinc finish.
![Irwin Hanson® Series 611 Carbide-Tipped Economy Rotary Masonry Drill Bit, 3/16" X 4", #IR-61112 (5/Pkg) Irwin Hanson® Series 611 Carbide-Tipped Economy Rotary Masonry Drill Bit, 3/16" X 4", #IR-61112 (5/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/257514/442290/61112__36790.1665683163.jpg?c=2)
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Tungsten carbide tip is durable when drilling in concrete and brick. The deep single flute removes drilling dust fast. Bit has a zinc finish.