2/3/4/5in Set Wet Diamond Core Drill Bit for Hard Concrete Masonry 4 Drill Bits

<p>Description</p> <p>This wet diamond core drill bit is made of high-quality iron and diamond, which is strong, durable, and not easy to deform. The wave drilling teeth are very sharp, which can achieve fast drilling and save you a lot of time. 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. </p> <p>&nbsp;</p> <p>Details</p> <p>Standard Hexagonal Joint:&nbsp;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.</p> <p>&nbsp;</p> <p>High-frequency Welding:&nbsp;The wave drilling teeth adopt high-frequency welding, which is very neat and conducive to smooth drilling.</p> <p>&nbsp;</p> <p>Application</p> <p>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.</p> <p>&nbsp;</p> <p>Specification</p> <p>Color: Green </p> <p>Material: Iron, Diamond</p> <p>Shape: Cylindrical</p> <p>Style: Modern </p> <p>Process: High-frequency Welding</p> <p>Numbers of Drill Bits: 4</p> <p>Drilling Method: Wet</p> <p>Shank Type: Threaded</p> <p>Segment Height: 10mm/0.3inch</p> <p>Bit Diameter* Bit Length: 5.1*37cm/2*14inch, 7.6*37cm/3*14inch, 10.2*35cm/4*13inch, 12*35cm/5*13inch</p> <p>Thread Size: M22 (Thread Diameter: 22mm/0.8inch)</p> <p>Each Product Weight: 1.05kg/2.31lbs, 1.63kg/3.59lbs, 2.43kg/5.36lbs, 2.94kg/6.48lbs</p> <p>&nbsp;</p> <p>Package&nbsp;Included</p> <p>1* 2" Wet Diamond Core Drill Bit</p> <p>1* 3" Wet Diamond Core Drill Bit</p> <p>1* 4" Wet Diamond Core Drill Bit</p> <p>1* 5" Wet Diamond Core Drill Bit</p> <p>&nbsp;</p> <p>Notes</p> <p>1.&nbsp;When installing the drill bit, first check whether the spindle has any swing and if the electrical and mechanical parts are normal. The drill bit should be ensured to be clamped with the drill rig and kept concentric.</p> <p>2.&nbsp;Water must be added during the use of the product. It should be mainly used for core digging works with drill bits. An optional fixed or handheld drilling rig is recommended</p> <p>3.&nbsp;The end of the drill bit with a bottom diameter greater than 89mm/3.5inch cannot be removed.</p> <p>4.&nbsp;It's tested that this product takes about 4 minutes to punch through a cement block with a thickness of 22cm/8inch and four 14mm steel bars inside and can punch through 40 holes. It takes 3-4 minutes for a hand-held drill to punch through a brick wall. (This is only for reference. Different operating conditions will affect the working life of the drill bit.)</p> <p>5.&nbsp;This product is only suitable for wet drilling machines. It is not recommended to use an electric hammer or impact drill with this product.</p> <p>6.&nbsp;Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before ordering. </p>

• High-quality Diamond: The teeth of this product are made of high-quality diamond, which is very hard and wear-resistant, making them not easy to skew and break with long service life.        

   

  Great Appearance: The green color, as well as the cylindrical shape, makes it look great and more designed.

   

  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.
• 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.
   
  Guaranteed Customer Service: We aim to provide quality products and services. If you have problems, please feel free to contact us. We will reply and solve the problem for you as soon as possible.
• 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.