Internet #300728277

Model #48-20-5255

Store SKU #1002314608

4-3/8 in. Carbide SDS-Plus Masonry Core Bit

  • 20% fast cutting speed with asymmetrical carbide teeth
  • Minimum friction thanks to the spiral core design
  • Compatible with SDS-Plus rotary hammers
  • See More Details
$8997

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Price:
$8997

Product Overview

Milwaukee(R) SDS-Plus Masonry Core Bits are ideal for drilling large holes in brick, block, and concrete with SDS-Plus rotary hammers. Asymmetrical carbide teeth break up material more effectively resulting in up to 20% faster drilling speeds. Centering bits allow for easy alignment of the hole and precise spot drilling. The versatile two-piece design allows users to drill with several different core bit sizes using one adapter. The spiral core body design minimizes friction in the hole and aids in dust removal during the application. Core bits cut with the outer edge only, therefore the operator must remove the inner core continue drilling for holes deeper than 2".
  • Asymmetrical carbide teeth for up to 20% faster drilling speeds
  • Centering bit for easy spot drilling
  • Two-piece design for maximum versatility
  • Spiral core body design to minimize friction and increases dust removal
  • Drilling Depth of 2
  • Adapter and centering bit sold separately (48-20-3582)
  • Designed for SDS-Plus rotary hammers
  • Shop All Milwaukee Tools

Info & Guides

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Specifications

Dimensions

Assembled Depth (in.)
4.375 in
Assembled Height (in.)
2 in
Assembled Width (in.)
4.375 in
Bit Diameter
4-3/8 in
Bit Diameter
4-3/8 in
Bit Length (in.)
2
Shank Diameter
25/64 in

Details

Bit Material
Carbide
Connection End Type
BS Threaded
Drill Bit Type
Coring Bit
Drill Bit Type(s) Included
Coring Bit
Individual/Set
Individual
Material Application
Brick,Concrete
Returnable
180-Day
Self-Feeding
No
Shank Style
SDS Plus
Tools Product Type
Power Tool

Questions & Answers

6Questions7Answers

my core bit is stuck to the shank and I cant unscrew it. Does anyone has any advice on what to do?

Asked by John May 26, 2020
1
Answer

Hello John, we are sorry to hear about this. Could you send us an email at socialmedia@milwaukeetool.com, so we can assist?

Is this used to drill concrete

Asked by JG March 10, 2020
2
Answers

I have used it on 4 inch thick stone and 3 inch brick for dryer vents but I have not used it on concrete. I would have no problem using it on concrete but beware of hitting reinforcing steel in the concrete.

2715-20

Asked by JoeDIF December 17, 2019
1
Answer

Hi Joe! Yes, this bit is intended to be used with our SDS-Plus rotary hammers.

would a 1" / 8 amp sds-plus rotary hammer be powerful enough to use with this coring bit for thr...

Asked by hammerdriiller April 11, 2019
1
Answer

No. Your max size of a core bit is 2-1/2" on an SDS Plus 1" rotary hammer.

how long is the shaft

Asked by michael August 15, 2018
1
Answer

There are 2 shafts available. The 13" shaft is part # 48-20-3582 and the 18" shaft is part # 48-20-3593.

Does this bit have to be used in hammer/drill mode or only drill mode Thank you

Asked by Art1994 August 3, 2018
1
Answer

This bit is for rotary hammers, not hammer drills. It will not work in a hammer drill.

Customer Reviews

  • 63 Customer Reviews
  • 4.2 out of 5 stars overall
91% of customers recommended.
Overall Ratings
5star-icon(38)
4star-icon(12)
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This bit cut through 10" rock like it was butter. I am very pleased with it.
This bit cut through 10" rock like it was butter. I am very pleased with it.
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Was very pleased to find that these are made in Germany, as anyone in the trades that does any am...
Quality :
5
Value :
5
Seeds Program Review
(What's this)
Was very pleased to find that these are made in Germany, as anyone in the trades that does any amount of masonry drilling knows is what you want in a carbide bit. I don't always carry my large corded SDS-Max rotary hammer with me in the truck, so these are great to keep in with my M18 Fuel cordless SDS-Plus that I do keep with me, for the times that I didn't realize ahead of time that I would be needing to make a larger hole in concrete. Saves me a trip back to the house. Note that these are sold as just the core bit itself, and you will need an SDS-Plus thin-wall core bit shank adapter, of which Milwaukee has available in several lengths.
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Response from Milwaukee ToolOctober 26, 2020
We invite you to contact us at socialmedia@milwaukeetool.com so we may discuss your specific personal experience at Milwaukee Tool. Thank you. - Elise
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Se rompió de la primera usada, por cierto, me gustaría...
Se rompió de la primera usada, por cierto, me gustaría saber si me pueden devolver el dinero, bastante cara que costo.
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Response from Milwaukee ToolAugust 26, 2020
We invite you to contact us at socialmedia@milwaukeetool.com so we may discuss your specific personal experience at Milwaukee Tool. Thank you. - Elise
This tool definitely makes easy work of coring holes in...
This tool definitely makes easy work of coring holes in block and brick when you need a few holes in a hurry and don't have a coring machine or time to wait on a company to come out and take care of it, for the price definitely worth it....
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it took very long time to cut the 4" hole....
it took very long time to cut the 4" hole. and the hole is not big enough to fix an 4" pvc pipe.
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Response from Milwaukee ToolAugust 19, 2020
Hello, this is Elise with Milwaukee Tool. Jack, thank you for your review. I am sorry to hear about your frustrations with your core bit. We'd value the opportunity to learn more about your frustrations with your Milwaukee Tool, and to provide you with support. Please feel free to contact us directly at socialmedia@milwaukeetool.com. It will be our pleasure to provide support once we have received your correspondence. Thank You
This works great drilling through concrete floor tiles on my project worksite. The bit is heavy ...
This works great drilling through concrete floor tiles on my project worksite. The bit is heavy duty and should last a long time.
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