![Wet Drill Core Bits for Hard Concrete, Brick, and Block - 4.25" Diameter 1-1/4"-7 Threaded #30/40 Diamond Grits - Amazon.com Wet Drill Core Bits for Hard Concrete, Brick, and Block - 4.25" Diameter 1-1/4"-7 Threaded #30/40 Diamond Grits - Amazon.com](https://m.media-amazon.com/images/I/51e46z6PQkL.jpg)
Wet Drill Core Bits for Hard Concrete, Brick, and Block - 4.25" Diameter 1-1/4"-7 Threaded #30/40 Diamond Grits - Amazon.com
![EDiamondTools 10 in. Diamond Wet Core Bit for Concrete and Masonry, 14 in. Drilling Depth, 1-1/4"-7 Arbor WBP1000A4 - The Home Depot EDiamondTools 10 in. Diamond Wet Core Bit for Concrete and Masonry, 14 in. Drilling Depth, 1-1/4"-7 Arbor WBP1000A4 - The Home Depot](https://images.thdstatic.com/productImages/d006cb54-8288-4320-becd-7907cbbd55b2/svn/ediamondtools-coring-drill-bits-wbp1000a4-64_1000.jpg)
EDiamondTools 10 in. Diamond Wet Core Bit for Concrete and Masonry, 14 in. Drilling Depth, 1-1/4"-7 Arbor WBP1000A4 - The Home Depot
![4" Dry Diamond Core Drill Bits for Brick and Block with 1/2" Shank Pilot Bit Adapter, 9.5" Drilling Depth, 5/8"-11 Arbor - Amazon.com 4" Dry Diamond Core Drill Bits for Brick and Block with 1/2" Shank Pilot Bit Adapter, 9.5" Drilling Depth, 5/8"-11 Arbor - Amazon.com](https://m.media-amazon.com/images/I/51UyxWNjloL.jpg)
4" Dry Diamond Core Drill Bits for Brick and Block with 1/2" Shank Pilot Bit Adapter, 9.5" Drilling Depth, 5/8"-11 Arbor - Amazon.com
![China Super Lowest Price 20mm Core Drill - Customized Concrete Core Drill Bit With Roof Type Diamond Segments – Sunny Superhard Tools manufacturers and suppliers | Sunny China Super Lowest Price 20mm Core Drill - Customized Concrete Core Drill Bit With Roof Type Diamond Segments – Sunny Superhard Tools manufacturers and suppliers | Sunny](https://www.sunnydiamondtools.com/uploads/4cea10a7.jpg)
China Super Lowest Price 20mm Core Drill - Customized Concrete Core Drill Bit With Roof Type Diamond Segments – Sunny Superhard Tools manufacturers and suppliers | Sunny
![6-Inch Laser Welded Dry Diamond Core Drill Bits for Cutting Concrete and Asphalt, 6" Diameter x 11" Length - Amazon.com 6-Inch Laser Welded Dry Diamond Core Drill Bits for Cutting Concrete and Asphalt, 6" Diameter x 11" Length - Amazon.com](https://m.media-amazon.com/images/I/71FWDzh64wL._AC_UF894,1000_QL80_.jpg)
6-Inch Laser Welded Dry Diamond Core Drill Bits for Cutting Concrete and Asphalt, 6" Diameter x 11" Length - Amazon.com
![Happybuy 8 Inch/205MM Diamond Core Drilling Machine 3980W Diamond Core Drill Rig with Stand and Drill Bits,Wet Dry Core Drill Rig for Diamond Concrete Drilling Boring (Drill Bit Diameter: 4.25"/108MM) - Amazon.com Happybuy 8 Inch/205MM Diamond Core Drilling Machine 3980W Diamond Core Drill Rig with Stand and Drill Bits,Wet Dry Core Drill Rig for Diamond Concrete Drilling Boring (Drill Bit Diameter: 4.25"/108MM) - Amazon.com](https://m.media-amazon.com/images/I/41EAuHZpK7L._AC_.jpg)
Happybuy 8 Inch/205MM Diamond Core Drilling Machine 3980W Diamond Core Drill Rig with Stand and Drill Bits,Wet Dry Core Drill Rig for Diamond Concrete Drilling Boring (Drill Bit Diameter: 4.25"/108MM) - Amazon.com
![VEVOR Diamond Core Drill, 3"/76mm Diameter Core Drill Bit, 14"/355mm Concrete Core Drill Bit, 5/8"-11 Thread Core Bit, Dry/Wet Drill Core Bits w/a Blade, Diamond Wet Coring Bit for Concrete Brick - VEVOR Diamond Core Drill, 3"/76mm Diameter Core Drill Bit, 14"/355mm Concrete Core Drill Bit, 5/8"-11 Thread Core Bit, Dry/Wet Drill Core Bits w/a Blade, Diamond Wet Coring Bit for Concrete Brick -](https://m.media-amazon.com/images/I/61+1vCTYxiL.jpg)