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Dry Core Drill Bit 88.9mm | 241.3mm Depth Diamond Bore with Pilot Bit & Blade | For Hard Concrete & Brick
$71.99
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Efficient & Smooth Drilling
This diamond core drill comprises premium aluminum alloy components, and high-quality diamond grits ensure a longer coring life. Diameter: 3.5 in / 88.9 mm, Drilling Depth: 9.5"/241.3 mm. A pilot bit and an extra 4.5"/114.3 mm blade is included to increase your efficiency.
Engineered for Exact Fitting
With a 5/8"-11 universal thread, this core drill bit allows easy and rapid assembling to a standard fixed core or handheld drilling machine. It is compatible with most concrete core drill devices.
Humanized Structure
Our diamond dry coring bit features chip removal holes, highly regular sawteeth, and concentric axes design. The innovative construction provides high drilling performance while keeping a long lifetime.
Simple Operation
The core drill can be used to contain your multiple work needs for both dry and wet. Start drilling at the vertical position, then continue to dig deep, and you will get a perfect hole in a second.
Versatile Applications
Our concrete core drill is fabulous for drilling hard concrete, masonry, hard brick, and other hard materials. It is widely used in installing air conditioners, pipes, stair railings, highways, airports, and other conditions.