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VEVOR Core Drill Bit, 4.25" Wet Diamond Core Drill Bits, 14" Drilling Depth Concrete Core Drill Bit with Saw Blade, 1-1/4"-7 Inner Thread, Laser Welding, Diamond Wet Coring Bit for Concrete Brick VEVOR Core Drill Bit, 4.25" Wet Diamond Core Drill Bits, 14" Drilling Depth Concrete Core Drill Bit with Saw Blade, 1-1/4"-7 Inner Thread, Laser Welding, Diamond Wet Coring Bit for Concrete Brick VEVOR Core Drill Bit, 4.25" Wet Diamond Core Drill Bits, 14" Drilling Depth Concrete Core Drill Bit with Saw Blade, 1-1/4"-7 Inner Thread, Laser Welding, Diamond Wet Coring Bit for Concrete Brick VEVOR Core Drill Bit, 4.25" Wet Diamond Core Drill Bits, 14" Drilling Depth Concrete Core Drill Bit with Saw Blade, 1-1/4"-7 Inner Thread, Laser Welding, Diamond Wet Coring Bit for Concrete Brick VEVOR Core Drill Bit, 4.25" Wet Diamond Core Drill Bits, 14" Drilling Depth Concrete Core Drill Bit with Saw Blade, 1-1/4"-7 Inner Thread, Laser Welding, Diamond Wet Coring Bit for Concrete Brick VEVOR Core Drill Bit, 4.25" Wet Diamond Core Drill Bits, 14" Drilling Depth Concrete Core Drill Bit with Saw Blade, 1-1/4"-7 Inner Thread, Laser Welding, Diamond Wet Coring Bit for Concrete Brick VEVOR Core Drill Bit, 4.25" Wet Diamond Core Drill Bits, 14" Drilling Depth Concrete Core Drill Bit with Saw Blade, 1-1/4"-7 Inner Thread, Laser Welding, Diamond Wet Coring Bit for Concrete Brick
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VEVOR Core Drill Bit, 4.25" Wet Diamond Core Drill Bits, 14" Drilling Depth Concrete Core Drill Bit with Saw Blade, 1-1/4"-7 Inner Thread, Laser Welding, Diamond Wet Coring Bit for Concrete Brick

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49 Reviews
$20.99
20.99
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About this item

  • Precision Engineered Design: Our core drill bit is designed with universal 1-1/4"-7 thread, making it easy to quickly assemble onto standard core drilling equipment, providing versatility and convenience.
  • Dust-Free Wet Cutting: Our diamond core drill bit reduces dust production through water cooling and lubrication, making it crucial for indoor or enclosed workspaces, minimizing dust pollution to operators and the surrounding environment.
  • Perfect Kit: Our concrete core drill bit includes an additional 3.15 in / 80 mm diamond saw blade for cutting tasks, eliminating the need for separate purchases. It allows for quick and efficient cutting of various hard materials, including rocks, concrete, ceramics, metals, and more.
  • Stable and Efficient: Our masonry core drill bit is crafted with high-quality carbon steel components and a diamond-grit head, ensuring it boasts excellent wear resistance and an extended lifespan. Laser welding technology ensures no tooth loss or weld detachment, maintaining cutting efficiency.
  • Wide Applications: Our wet drill core bit is ideal for drilling into reinforced concrete, red bricks, concrete, foam bricks, and other tough materials. It is widely used in installations for air conditioning, pipelines, stair railings, highways, airports, and various construction scenarios.
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VEVOR Core Drill Bit, 4.25" Wet Diamond Core Drill Bits, 14" Drilling Depth Concrete Core Drill Bit with Saw Blade, 1-1/4"-7 Inner Thread, Laser Welding, Diamond Wet Coring Bit for Concrete Brick
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Description Specification Questions and Answers Reviews
VEVOR Wet Diamond Core Drill Bit
VEVOR Core Drill Bit, 4.25
VEVOR Core Drill Bit, 4.25
Our core drill bit is crafted from high-quality carbon steel with diamond-grit teeth. Diamond is one of the hardest materials on Earth, ensuring outstanding wear resistance. The diamond-grit core drill bit remains sharp and extends its lifespan when cutting and grinding tough materials.
VEVOR Core Drill Bit, 4.25
VEVOR Core Drill Bit, 4.25
Laser welding technology ensures exceptional wear resistance and high-temperature stability for the diamond core drill bit, making it ideal for various drilling conditions, even in high-temperature environments. It's less prone to tooth loss and weld detachment, resulting in increased durability.
VEVOR Core Drill Bit, 4.25
VEVOR Core Drill Bit, 4.25
Our wet core drill bit is for wet cutting. Water cooling and lubrication reduce drill bit wear, prolonging its lifespan, and minimizing dust.
VEVOR Core Drill Bit, 4.25
VEVOR Core Drill Bit, 4.25
The concentric shaft design provides more stable drilling operations. It reduces drill bit vibration and swing, decreasing the likelihood of the drill bit getting stuck or deviating from the track, ensuring smoother operations.
VEVOR Core Drill Bit, 4.25
VEVOR Core Drill Bit, 4.25
The wet drill core bit ensures clean and precise holes in tough materials like reinforced concrete, red bricks, concrete, foam bricks, and more. It comes with a diamond saw blade, allowing you to cut various materials with precision, smoothness, and efficiency.
VEVOR Core Drill Bit, 4.25
VEVOR Core Drill Bit, 4.25

Specification

Item Model Number
108400BC
Diameter
Φ 4.25 in / 108mm
Adapter Specification
Inner Thread 1-1/4"-7
Maximum Core Depth
14 in / 355 mm
Welding Method
Laser Welding
Wet/Dry Application
Wet
Compatible Machines
Water Drill, Core Drill Rig
Compatible Cutting Materials
Reinforced Concrete, Red Brick, Concrete, Foam Brick, etc.
Product Dimensions
18.5 x 4.3 x 4.3 in / 470 x 108 x 108 mm
Net Weight (Including Accessories)
6.7 lbs / 3.04 kg
Questions and Answers
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Customer Reviews

4.8 Out of 5
Based on 49 reviews

Ratings by Features

  • 4.8
  • 4.7
  • 4.7
  • 4.7
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49 Review(s)
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RG RG
Works great
Works great but I had to buy an adapter from Amazon to use it on the core drill I brought from Vevor.
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Helpful Sending feedback... Thank you for your feedback. 2 people found this helpful
DrSolar Racing DrSolar Racing
Owner
hey, easy to use and helpful thank you. website is easy too good quality and quick shipping, great pricing too, thank you. if needed i will buy more like candy. We love sprint car racing.
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BruceinTexas BruceinTexas
Good quality
Used it to drill two holes in flagstone set in concrete. Drill bit worked good, with one exception. It was difficult to extricate the core that was drilled. Core removal slots should be more numerous and on more than two sides of the drill bit.
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Tom in Texas Tom in Texas
Owner
As with the other Vevor Diamond Core Bits. Long life is Great Value and Quality. I would highly recommend it to any contractor needing this type of equipment.
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Tom in Texas Tom in Texas
Owner
The Diamond core products that Vevor sells are excellent. Value & Quality. Drilled 6 holes and no noticeable wear and tear on bit. I would highly recommend it.
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Helpful Sending feedback... Thank you for your feedback. 1 people found this helpful
DIYdad DIYdad
Awesome value
This core bit worked perfectly to core a hole for a recent mini-split HVAC install through a CMU wall. It chewed right through the block with ease. I used a standard 1/2' Milwaukee drill and a spray bottle in my application and the bit survived to drill another day. I think you could get a lot of use out it before replacing as long as you keep the bit wet. Bottom line is it is a good value and good quality. The included grinding disk is a plus and also good quality.
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Abner Abner
home owner and business owner
Worked good cut 6 holes threw 8 in concrete still seamed to cut the last hole good . I would buy again if needed to very reliable drill bit
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George George
Drilled through 8\" cinder block with no problem.
Drilled through 8\" cinder block to shorten dryer exhaust pipe. Dryer works much better and should result in lower energy usage.
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MC PETTI MC PETTI
This worked really well, BUT!
This worked really well drilling through the side of a concrete storm sewer. BUT! I had to buy a $240 hammer drill. This will not work in standard 3 tooth chuck of the hammer drill I already had.
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Helpful Sending feedback... Thank you for your feedback. 1 people found this helpful
GW621 GW621
Mr
I have not yet used this bit, but after reading some of the reviews, I felt a comment was in order. People are complaining about the pilot bit, but if it is used correctly, it is a huge help. Note the use of the term "pilot bit". That means you need a pilot hole. The proper way to use it is to remove the pilot bit from the mandrel and insert it by itself, into a hammer drill and use that to drill your pilot hole. Then you install it back into the mandrel and screw that into the coring bit. The coring bit should be used only with rotary motion, not hammering, unless you're fine with huge breakout on the back of your hole. I will write a follow up review or update this one after I actually use it, but I wanted to point out the error in some of the reviews I've read.
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Helpful Sending feedback... Thank you for your feedback. 1 people found this helpful

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