Feature(may vary by option.)
●Efficient & Smooth Drilling: This diamond core drill comprises premium aluminum alloy components, and high-quality diamond grits ensure a longer coring life. Diameter: 3 in / 76.2 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.
●Friendly Note: 1. The positioning drill inside shall be adjusted back and forth to find a suitable position before operation. 2. Diameter 1.5-2.0mm holes shall be drilled with electric hammer, and large diameter holes shall be drilled with drill (water drill). 3. It can only be used for concrete brick wall opening, not for stone granite.
[3.5inch]
[2.5inch]
[4inch-no pilot bit]
[2inch]
[3inch]
[4.25inch]
[1.5inch]
Description
Dry Drill Core Bit Premium Diamond & Complete Kit & Elaborate Clearance Holes This professional diamond core bit with a pilot bit and a saw blade is high-frequency welded, providing a rapid and clean drill. 5/8"-11 general thread is ideal for diversified machines applied to hard concrete and brick. key Features Premium Diamond Grit The core bore drill is elaborate aluminum alloy, selected diamond teeth, and high-frequency welding technology, providing steady and rustproof. 5/8"-11 Universal Thread Our diamond core drill is suitable for most types of machines in the market. You can install the drill on your previous machine effortlessly. Quick Chip Removal Hole These core drill pilot bits are equipped with cooling chip removers for fast chip removal, aiming to operate directly on the wall and reduce noise. Flawless Kit Our handheld core drill comes with a core bore drill, a pilot bit, and a hot-pressed corrugated saw blade, well-designed to furnish you with maximum convenience. High-frequency Teeth Welding High-frequency welding has firm, sharp, and wear-resisting properties, the heat evenly technique without missing welding. Extensive Uses The core drill reducer is paramount to your projects, widespread used in installing air conditioning, range hood, sewer, and engineering coring. Specifications Model: COREDRILL3IN Material: Diamond & Aluminum Alloy Bit Diameter: 3 in / 76.2 mm Bit Depth: 9.5 in / 241.3 mm Thread: 5/8 in - 11 Net Weight: 4.8 lbs / 2.2 kg Package Content 1 x Diamond Core Drill Bit 1 x Pilot Bit 1 x Blade