$69 SALI Wet Diamond Core Drill Bits 3-1/2" (92mm)

Updated September 21, 2026

New Bin9 $69 SALI Wet Diamond Core Drill Bits 3-1/2" (92mm) Diameter, 15" (380mm) Drilling Depth, Turbo Laser-Welded Segments(Wavy Teeth) with 1-1/4"-7 Thread Core Bit for Rebar Concrete Brick Block Masonry Stone Diameter: 3-1/2"/89, inside barrel depth(drilling depth): 15"/380mm,thread type: Industry standard 1-1/4-7"(please note:1-1/4"-7 thread size come without any adapters) Versatile uses: Our concrete core drill is designed for drilling concrete, red brick, tile masonry, rebarr reinforced asphalt marble, rock, stone and other materials on conditions, such as installing air conditioners, pipes, stair railings, highways, and airports, etc Simple operation:The core drill can be used wet only . Start drilling at the vertical position and continue to dig deep. Water can prolong the service life Efficient & smooth drilling: This diamond core drill comprises premium aluminum alloy components, and high-quality diamond grits ensure longer coring life recommended to use with handheld core drills or dedicated core drill rigs Humanized structure: Our diamond wet coring bit features chip removal holes, highly regular saw teeth, and concentric axes design. The innovative design allows it high drilling performance while keeping a long lifetime.

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