Jeremywell 10" (254mm)Diamond Wet Drill Core Bit for Concrete, Granite, Brick Block, #30/40 Diamond Grits, 1-1/4"-7 Threaded, Height 17"

Core bits are equipped with formulated style diamond segments designed for drilling through hard aggregate with high steel reinforcement. Best for heavily reinforced concrete, hard aggregate, cured concrete and asphalt overlay. #30/40 diamond grit, perfect designed for drilling hard concrete, masonry, hard brick, granite, and other hard materials

• High diamond concentration for excellent footage and drilling speed - 1-1/4"-7 Threaded Attachment
• Wet Drilling Applications: Drilling Soft Facing Brick, Concrete Blocks, Hard Sandstone, Coarse Sandstone, Soft Slate, Breeze Block & Drilling Lignacite Blocks. NOT FOR USE ON REBAR
• For use on hand held core drills and core drill stand
• #30/40 diamond grit, perfect designed for drilling hard concrete, masonry, hard brick, granite, and other hard materials
• Welding Method: High Frequency Welded