SKU: 94474986848

Milwaukee 12" Core Bit Extension 5/8" 11 Threaded Shank Metal Construction Extends Reach for Concrete Brick Stone Wet or Dry Coring 48-17-6012

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Description

Milwaukee 12" Core Bit Extension 5/8" 11 Threaded Shank Metal Construction Extends Reach for Concrete Brick Stone Wet or Dry Coring 48-17-6012Extend Your Reach with Milwaukees Heavy Duty Core Bit Extension Built for Deep Coring in Tough Materials When precision drilling meets hard to reach surfaces, the Milwaukee 48 17 6012 Core Bit Extension delivers. Designed to connect seamlessly with 5 8" 11 threaded diamond core bits, this 12 inch extension gives you the extra reach needed for deep coring in concrete, brick, pavers, stone, and other masonry materials. Whether you're working on

🧱 Extend Your Reach with Milwaukee’s Heavy-Duty Core Bit Extension – Built for Deep Coring in Tough Materials

When precision drilling meets hard-to-reach surfaces, the Milwaukee 48-17-6012 Core Bit Extension delivers. Designed to connect seamlessly with 5/8"-11 threaded diamond core bits, this 12-inch extension gives you the extra reach needed for deep coring in concrete, brick, pavers, stone, and other masonry materials. 

Whether you're working on structural penetrations, utility installations, or foundation prep, this extension ensures your core bits stay aligned and effective. Built from durable metal and compatible with both wet and dry coring applications, it’s a must-have for contractors, electricians, and plumbers who need reliable performance in demanding environments.

Pair it with Milwaukee’s premium diamond core bits for maximum cutting efficiency and jobsite productivity. Don’t let depth limitations slow you down—equip your drill with the reach it needs to finish the job right. 

✅ Key Features

  • 12" overall length extends reach for deep coring applications
  • Compatible with 5/8"-11 threaded diamond core bits
  • Designed for wet or dry coring in concrete, brick, stone, and pavers
  • Durable metal construction resists wear and impact
  • Ideal for structural, plumbing, and electrical installations
  • Precision threading ensures secure connection and stable drilling
  • Lightweight design for easy handling and transport

🧰 What's Included

  • (1) Milwaukee 48-17-6012 Core Bit Extension – 5/8"-11 Threaded, 12" Length

📐 Specifications

Brand Milwaukee
Model Number 48-17-6012
Bit Type Threaded
Thread Compatibility 5/8"-11 Core Bits
Overall Length 12 in
Material Metal
Color Silver
Country of Origin China
Product Condition New
UPC 045242357574
Package Weight 2.19 lbs
Warranty No Manufacturer Warranty

💡 Ideal For

  • Concrete coring and structural penetrations
  • Brick and stone drilling in masonry applications
  • Utility installations and foundation work
  • Extending reach in deep or obstructed drilling zones
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 94474986848

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4.4 ★★★★★
Based on 26 reviews
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Verified Purchase
Denise F.
Waukegan, US
★★★★★ 5
Good price
Size: CB-M03H
Good price appears sturdy good instructions
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 19, 2026
A
Verified Purchase
Amazon Customer
Boise, US
★★★★★ 4
Nice
Size: CB-M03H
Could be a bigger one
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026
E
Verified Purchase
Eric
Alexandria, US
★★★★★ 5
These hog out the hole nicely
Size: CB-M03H
These hog out the hole nicely
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
M
Verified Purchase
Michael R.
Pawtucket, US
★★★★★ 5
Very nice product.
Size: CB-003
Haven’t needed to use it yet, but it is definitely a quality product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 1, 2025
M
Verified Purchase
M. M. C.
Whiting, US
★★★★★ 5
It works
Size: CB-M03H
I use it on a power tool as regular drill bits seem to not work to well with the plugs. They leak air. Doing it by hand is to hard
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 20, 2025

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