4pcs Wet Diamond Core Drill Bit 2" 3" 4" 5" for Brick Concrete Hard Material, Wet Drilling Only

Color: Green Material: Iron, DiamondShape: CylindricalStyle: Modern Process: High-frequency WeldingNumbers of Drill Bits: 4Drilling Method: WetShank Type: ThreadedSegment Height: 10mm/0.3inchBit Diameter* Bit Length: 5.1*37cm/2*14inch, 7.6*37cm/3*14inch, 10.2*35cm/4*13inch, 12*35cm/5*13inchThread 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

• 【Dimension&Weight】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
• 【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
• 【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.
• 【Widely use】This professional diamond core bit is suitable for effective drilling in materials such as: Masonry, reinforced concrete, poroton, clay pipe, yton, brick, concrete and much more.They can reach deep into the material for various applications.
• 【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.