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BOSCH HC8521 2-5/8-Inch x 12-Inch SDS Max Core Cutter

4.7 4.7 out of 5 stars 1,308 ratings

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on 2 select item(s) Shop items
2-5/8-In Diameter
12-In Length

Purchase options and add-ons

Material Carbide
Shank Type SDS-Max
Brand BOSCH
Tool Flute Type Straight
Minimum Bore Diameter 0.63 Inches

About this item

  • Maximum core size 2-5/8-inches deep
  • 2-5/8-inch diameter, 7-inch useable length, 12-inch overall length
See more product details

Customer ratings by feature

Value for money
4.5 4.5
Longevity
4.5 4.5
Durability
4.4 4.4

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$135.00
Get it as soon as Sunday, Mar 31
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$37.67
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BOSCH HC8521 2-5/8-Inch x 12-Inch SDS Max Core Cutter
BOSCH HC8521 2-5/8-Inch x 12-Inch SDS Max Core Cutter
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Price$135.00-27% $15.39
List:$21.09
$3.49$32.98-16% $187.74
List:$224.19
-23% $99.00
List:$129.00
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it Mar 28 - Apr 1
Customer Ratings
Value for money
4.5
5.0
5.0
4.5
Durability
4.4
5.0
5.0
4.5
Sold By
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
1TopTools
material
Carbide
Carbide
Carbide
Plastic
Carbide
Blend, Blend, Blend, Blend, Blend
shank type
SDS-Max
SDS-Max
SDS-Max
SDS
Spline
SDS-Max
tool flute type
Straight
Spiral
Straight
Spiral
Spiral
Spiral
surface suggestion
Stone
Alloy Steel,Plastic,Steel
Alloy Steel
concrete

From the manufacturer

Bosch SDS-max 1pc Core Bits for Concrete with Carbide Pilot bit
SDS-max Core Bit

Concrete to the Core

After more than 80 years of developing innovative tools and accessories for the concrete professional, Bosch is the acknowledged leader in the industry. With a robust line that can address everything from the toughest concrete drilling jobs to material removal, Bosch is a company whose legacy is written in concrete.

Bosch Concrete Drilling Accessories

Bosch 1pc Core Drilling Bits for Concrete

Concrete Core Drilling Bit

HC88 and HCRR001

Concrete Innovation

Bosch offers a full line of professional-grade concrete drilling and cutting accessories designed to get the job done right.

All-In-One Design

Delivers clean accurate holes with efficient transfer of power.

Engineered for Performance

Bosch core bits feature asymmetrical carbide teeth and a wave design providing long life and fast performance.

Core Bit Accessories

Bosch core bits include a carbide tipped centering bit with a retaining ring and pin.

HC88 - Carbide Centering Bit

HCRR001 - Rubber Ring and Pin

Looking for specific info?

Product information

Technical Details

Additional Information

Warranty & Support

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BOSCH HC8521 2-5/8-Inch x 12-Inch SDS Max Core Cutter


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Product Description

Product Description

SDS Max Core Bit With Shank, Size 2 5/8 In, Drilling Length 7 In, Maximum Core Size 2 5/8 In Depth, Overall Length 12 In, For Use With SDS Max Rotary Hammer Drills

From the Manufacturer

The Bosch HC8521 SDS-max core cutter measures 2-5/8-inches in diameter. The useable length is 7-inches and the overall length is 12-inches. Bosch core bits go beyond the range of standard bits and allow smaller hammers to drill larger holes. Bosch SDS-max rotary hammer core bits are carbide tipped with an integral shank for better power transmission. The maximum core size is 4 deep. The Robert Bosch Tool Corporation is one of the largest power tool and accessory manufacturers in the world. Bosch provides a complete line of corded and cordless power tools and accessories engineered to survive any jobsite and allow professionals to take control of their work. Wave design transfers energy to bit more effectively for up to 40 percent faster drilling versus previous design. Shank Diameter- 3/4 inches.

Important information

Wattage

0 watts

Bulb Voltage

0 volts

Customer reviews

4.7 out of 5 stars
4.7 out of 5
1,308 global ratings

Customers say

Customers like the performance, quality and value of the core bit. They mention that it works well, is rugged and dependable. Customers also appreciate the value for money, saying that it's a great investment. They say that it cuts through most materials easily.

AI-generated from the text of customer reviews

96 customers mention82 positive14 negative

Customers like the quality of the bit. They say it's a good heavy duty bit, dependable, and tough to beat. Some customers also mention that it'll work as advertised and is a great unit for the job.

"Good drill bit, works as advertised. Also purchased cutting oil which made cutting easier" Read more

"...Slide the pipe through the sleeve and you’re done. Great product. On hole #40 and still cuts great." Read more

"...However, it shows very little wear." Read more

"...Has stood up to 50 plus holes and even one that had rebar. Wasnt fun holding onto the hammerdrill but it went right through...." Read more

65 customers mention61 positive4 negative

Customers are satisfied with the performance of the tool. They mention that it works well, the core bit itself works great, and it's good for regular concrete cutting. Some say that they've never had a problem with it.

"Good drill bit, works as advertised. Also purchased cutting oil which made cutting easier" Read more

"...When used in new condition, it performs very well but as it drops off the peaks, the performance decreases rapidly...." Read more

"...diamond dry core bit for less than half the price of this bit and it worked great...." Read more

"Worked like a charm. Cut through a 12" retaining wall. 4" then chisel, 4" then chisel...ect...." Read more

46 customers mention44 positive2 negative

Customers are satisfied with the holes that the bit can produce. They mention that it cuts through concrete like butter, blocks, and bricks easily. Some say that it performs admirably drilling through a foundation wall and that it cut through rapidly.

"...This hole saw leaves a very clean hole in concrete, this makes for a perfect fit. Just make sure you use something else if you run in to rebar" Read more

"...Great product. On hole #40 and still cuts great." Read more

"Cuts through block then brick easily. Expensive but I pass the cost on to my customer." Read more

"...This coring bit is amazing! It ate through the brick and concrete very well...." Read more

39 customers mention30 positive9 negative

Customers like the value of the tools. They say it is a great investment, and a perfect tool.

"...me to see people give three stars or less for this bit as it is worth every penny and I consider myself lucky to have access to these...." Read more

"Well worth the money. Chewed through a 6-8” slab fast." Read more

"...but the price was great." Read more

"Cuts through block then brick easily. Expensive but I pass the cost on to my customer." Read more

12 customers mention0 positive12 negative

Customers are dissatisfied with the durability of the tool. They mention that the carbide teeth break off easily, and the centering bit popped out on first use. Additionally, the pilot bit pin fell out twice, and it keeps falling out.

"...2-3 months of constant, every day use before i'd notice the teeth getting worn down...." Read more

"I have had 3 of these snap off in the Chuck in the last yearPrevious ones lasted yearsApparently the went with cheaper materials" Read more

"...only thing to keep in mind is that the pin that holds the pilot bit in kept falling out. So much so that it eventually was lost...." Read more

"Worked great. The pilot bit pin fell out twice. Made it through 12" of concrete chipping every 3 inches" Read more

Quality
5 Stars
Quality
Went through 8” concrete like butter
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Top reviews from the United States

Reviewed in the United States on August 7, 2023
Size: 4 In DiameterStyle: 12-In LengthVerified Purchase
Reviewed in the United States on March 13, 2024
Size: 5 In DiameterStyle: 12-In LengthVerified Purchase
Reviewed in the United States on January 6, 2023
Size: 5 In DiameterStyle: 22-In LengthVerified Purchase
4 people found this helpful
Report
Reviewed in the United States on January 26, 2024
Size: 2 In DiameterStyle: 22-In LengthVerified Purchase
Reviewed in the United States on October 24, 2023
Size: 4 In DiameterStyle: 22-In LengthVerified Purchase
Reviewed in the United States on January 13, 2023
Size: 2-5/8-In DiameterStyle: 12-In LengthVerified Purchase
One person found this helpful
Report
Reviewed in the United States on November 6, 2018
Size: 5 In DiameterStyle: 22-In LengthVerified Purchase
10 people found this helpful
Report
Reviewed in the United States on May 9, 2023
Size: 4 In DiameterStyle: 22-In LengthVerified Purchase

Top reviews from other countries

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Maitre volt ampere
5.0 out of 5 stars High quality
Reviewed in Canada on March 10, 2024
Size: 2-5/8 In DiameterStyle: 22-In LengthVerified Purchase
erik
5.0 out of 5 stars Ea una excelente broca sacabocados
Reviewed in Mexico on April 4, 2023
Size: 2-5/8-In DiameterStyle: 12-In LengthVerified Purchase
Ricardo
5.0 out of 5 stars Excelente producto de muy buena calidad
Reviewed in Mexico on January 30, 2023
Size: 3-1/4 In DiameterStyle: 22-In LengthVerified Purchase
Paul
5.0 out of 5 stars The right tool for the job
Reviewed in Canada on February 25, 2024
Size: 2-5/8 In DiameterStyle: 22-In LengthVerified Purchase
JESUS
5.0 out of 5 stars Muy eficaz para hacer trabajo
Reviewed in Mexico on September 30, 2020
Size: 2 In DiameterStyle: 12-In LengthVerified Purchase