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VEVOR Dry Core Drill Bit, 4.25"/108 mm Diameter 5/8"-11 Shank Arbor with a Pilot Bit & 4.5" Blade, 9.5"/241.3mm Depth Diamond Coring Bore Tool, Masonry Hole Saw Bits for Hard Concrete Brick and Block VEVOR Dry Core Drill Bit, 4.25"/108 mm Diameter 5/8"-11 Shank Arbor with a Pilot Bit & 4.5" Blade, 9.5"/241.3mm Depth Diamond Coring Bore Tool, Masonry Hole Saw Bits for Hard Concrete Brick and Block VEVOR Dry Core Drill Bit, 4.25"/108 mm Diameter 5/8"-11 Shank Arbor with a Pilot Bit & 4.5" Blade, 9.5"/241.3mm Depth Diamond Coring Bore Tool, Masonry Hole Saw Bits for Hard Concrete Brick and Block VEVOR Dry Core Drill Bit, 4.25"/108 mm Diameter 5/8"-11 Shank Arbor with a Pilot Bit & 4.5" Blade, 9.5"/241.3mm Depth Diamond Coring Bore Tool, Masonry Hole Saw Bits for Hard Concrete Brick and Block VEVOR Dry Core Drill Bit, 4.25"/108 mm Diameter 5/8"-11 Shank Arbor with a Pilot Bit & 4.5" Blade, 9.5"/241.3mm Depth Diamond Coring Bore Tool, Masonry Hole Saw Bits for Hard Concrete Brick and Block VEVOR Dry Core Drill Bit, 4.25"/108 mm Diameter 5/8"-11 Shank Arbor with a Pilot Bit & 4.5" Blade, 9.5"/241.3mm Depth Diamond Coring Bore Tool, Masonry Hole Saw Bits for Hard Concrete Brick and Block VEVOR Dry Core Drill Bit, 4.25"/108 mm Diameter 5/8"-11 Shank Arbor with a Pilot Bit & 4.5" Blade, 9.5"/241.3mm Depth Diamond Coring Bore Tool, Masonry Hole Saw Bits for Hard Concrete Brick and Block
J14.25IN9.5INXRU6V0

VEVOR Dry Core Drill Bit, 4.25"/108 mm Diameter 5/8"-11 Shank Arbor with a Pilot Bit & 4.5" Blade, 9.5"/241.3mm Depth Diamond Coring Bore Tool, Masonry Hole Saw Bits for Hard Concrete Brick and Block

$44.99
44.99
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4.25 inch

  • 4.25 inch
  • 2.5 inch
  • 3.5 inch
  • 2 inch
  • 4 inch
  • 1.5 inch
  • 3 inch

About this item

  • Efficient & Smooth Drilling: This diamond core drill comprises premium aluminum alloy components, and high-quality diamond grits ensure a longer coring life. Diameter: 4.25 in / 108 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.

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VEVOR Dry Core Drill Bit, 4.25"/108 mm Diameter 5/8"-11 Shank Arbor with a Pilot Bit & 4.5" Blade, 9.5"/241.3mm Depth Diamond Coring Bore Tool, Masonry Hole Saw Bits for Hard Concrete Brick and Block
4.25 inch
Only 1 Left, order soon
VEVOR Dry Core Drill Bit, 4.25
VEVOR Dry Core Drill Bit, 4.25
VEVOR Dry Core Drill Bit, 4.25
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.
  • Efficient & Smooth Cutting
  • Engineered For Exact Fitting
  • Humanized Structure
  • Simple Operation

VEVOR Dry Core Drill Bit, 4.25
Tough Equipment & Tools, Pay Less
VEVOR is a leading brand that specializes in equipment and tools. Along with thousands of motivated employees, VEVOR is dedicated to providing our customers with tough equipment & tools at incredibly low prices. Today, VEVOR has occupied markets of more than 200 countries with 10 million plus global members.
Why Choose VEVOR?
  • Premium Tough Quality
  • Incredibly Low Prices
  • Fast & Secure Delivery
  • 30-Day Free Returns
  • 24/7 Attentive Service
VEVOR Dry Core Drill Bit, 4.25
Tough Equipment & Tools, Pay Less
VEVOR is a leading brand that specializes in equipment and tools. Along with thousands of motivated employees, VEVOR is dedicated to providing our customers with tough equipment & tools at incredibly low prices. Today, VEVOR has occupied markets of more than 200 countries with 10 million plus global members.
Why Choose VEVOR?
  • Premium Tough Quality
  • Incredibly Low Prices
  • Fast & Secure Delivery
  • 30-Day Free Returns
  • 24/7 Attentive Service
VEVOR Dry Core Drill Bit, 4.25
Premium Diamond Grit
The core bore drill is elaborate aluminum alloy, selected diamond teeth, and high-frequency welding technology, providing steady and rustproof.
VEVOR Dry Core Drill Bit, 4.25
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.
VEVOR Dry Core Drill Bit, 4.25
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.
VEVOR Dry Core Drill Bit, 4.25
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.
VEVOR Dry Core Drill Bit, 4.25
High-frequency Teeth Welding
High-frequency welding has firm, sharp, and wear-resisting properties, the heat evenly technique without missing welding.
VEVOR Dry Core Drill Bit, 4.25
Extensive Uses
The core drill reducer is paramount to your projects, widespread used in installing air conditioning, range hood, sewer, and engineering coring.
VEVOR Dry Core Drill Bit, 4.25
Specifications
  • Model: COREDRILL4.25IN
  • Material: Diamond & Aluminum Alloy
  • Bit Diameter: 4.25 in / 108 mm
  • Bit Depth: 9.5 in / 241.3 mm
  • Thread: 5/8 in - 11
  • Net Weight: 5.9 lbs / 2.7 kg
VEVOR Dry Core Drill Bit, 4.25
Package Content
  • 1 x Diamond Core Drill Bit
  • 1 x Pilot Bit
  • 1 x Blade
VEVOR Dry Core Drill Bit, 4.25
VEVOR Dry Core Drill Bit, 4.25

VEVOR Dry Core Drill Bit, 4.25
Tough Equipment & Tools, Pay Less
VEVOR is a leading brand that specializes in equipment and tools. Along with thousands of motivated employees, VEVOR is dedicated to providing our customers with tough equipment & tools at incredibly low prices. Today, VEVOR has occupied markets of more than 200 countries with 10 million plus global members.
Why Choose VEVOR?
  • Premium Tough Quality
  • Incredibly Low Prices
  • Fast & Secure Delivery
  • 30-Day Free Returns
  • 24/7 Attentive Service
VEVOR Dry Core Drill Bit, 4.25
Tough Equipment & Tools, Pay Less
VEVOR is a leading brand that specializes in equipment and tools. Along with thousands of motivated employees, VEVOR is dedicated to providing our customers with tough equipment & tools at incredibly low prices. Today, VEVOR has occupied markets of more than 200 countries with 10 million plus global members.
Why Choose VEVOR?
  • Premium Tough Quality
  • Incredibly Low Prices
  • Fast & Secure Delivery
  • 30-Day Free Returns
  • 24/7 Attentive Service
VEVOR Dry Core Drill Bit, 4.25
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.
  • Efficient & Smooth Cutting
  • Engineered For Exact Fitting
  • Humanized Structure
  • Simple Operation
VEVOR Dry Core Drill Bit, 4.25
Premium Diamond Grit
The core bore drill is elaborate aluminum alloy, selected diamond teeth, and high-frequency welding technology, providing steady and rustproof.
VEVOR Dry Core Drill Bit, 4.25
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.
VEVOR Dry Core Drill Bit, 4.25
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.
VEVOR Dry Core Drill Bit, 4.25
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.
VEVOR Dry Core Drill Bit, 4.25
High-frequency Teeth Welding
High-frequency welding has firm, sharp, and wear-resisting properties, the heat evenly technique without missing welding.
VEVOR Dry Core Drill Bit, 4.25
Extensive Uses
The core drill reducer is paramount to your projects, widespread used in installing air conditioning, range hood, sewer, and engineering coring.
VEVOR Dry Core Drill Bit, 4.25
Package Content
  • 1 x Diamond Core Drill Bit
  • 1 x Pilot Bit
  • 1 x Blade
VEVOR Dry Core Drill Bit, 4.25
Specifications
  • Model: COREDRILL4.25IN
  • Material: Diamond & Aluminum Alloy
  • Bit Diameter: 4.25 in / 108 mm
  • Bit Depth: 9.5 in / 241.3 mm
  • Thread: 5/8 in - 11
  • Net Weight: 5.9 lbs / 2.7 kg

Specification

Model
COREDRILL4.25IN
Material
Diamond & Aluminum Alloy
Bit Diameter
4.25 in / 108 mm
Bit Depth
9.5 in / 241.3 mm
Thread
5/8 in - 11
Net Weight
5.9 lbs / 2.7 kg
Questions and Answers
Typical questions asked about products: Is the product durable? ...

Customer Reviews

Ratings by Features

  • 4.8
  • 4.7
  • 4.7
  • 4.7
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49 Review(s)
Clear filters
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.
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.
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.
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.
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.
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.
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
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.
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.
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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