4pcs Wet Diamond Core Drill Bit 2'', 3'', 4'', 5” Masonry Hole Saw Set Diamond Turbo Core Drill Bit for Concrete Stone Granite Marble

Product Description: Details Standard Hexagonal Joint: This product adopts a standard hexagonal joint with a thread diameter of 22mm/0.8inch, which is suitable for domestic water drilling machines in the market. You can use this product with peace of mind. High-frequency Welding: The wave drilling teeth adopt high-frequency welding, which is very neat and conducive to smooth drilling. Application It is suitable for drilling hard concrete, block, brick, masonry, etc. It is suitable for drilling and coring of reinforced concrete, brick wall drilling, air conditioning installation, pipe, road signs drilling, expressway, and other outdoor projects. Specification Color: Green Material: Iron, Diamond Shape: Cylindrical Style: Modern Process: High-frequency Welding Numbers of Drill Bits: 4 Drilling Method: Wet Shank Type: Threaded Segment Height: 10mm/0.3inch Bit Diameter* Bit Length: 5.1*37cm/2*14inch, 7.6*37cm/3*14inch, 10.2*35cm/4*13inch, 12*35cm/5*13inch Thread Size: M22 (Thread Diameter: 22mm/0.8inch) Each Product Weight: 1.05kg/2.31lbs, 1.63kg/3.59lbs, 2.43kg/5.36lbs, 2.94kg/6.48lbs Package Included 1* 2" Wet Diamond Core Drill Bit 1* 3" Wet Diamond Core Drill Bit 1* 4" Wet Diamond Core Drill Bit 1* 5" Wet Diamond Core Drill Bit

• Detachable Design: Two bits with a size of 5.1*37cm/2*14inch and 7.6*37cm/3*14inch are detachable at the end, which makes it easy to dig out the waste.
• Multiple Sizes: This product includes four drill bits of different sizes, allowing you to choose the right one according to your preferences and needs, which is very convenient.
• Wave Drilling Teeth Design: The wave drilling teeth are very sharp, which can achieve fast drilling and save you a lot of time. The side gap between the wave drilling teeth is relatively large, which makes the product less likely to jam and easier to take cores.
• Concentric Shaft Design: The concentric shaft design makes the drill bit less likely to be off-center during rotation, which reduces the wobble when drilling and allows the product to drill faster.
• Easy to Clean: The surface of this product is smooth and flat, which is easy to clean. You just need to wipe it with a wet rag.