CARAT BC22040000 extension 5/4" 400 mm steel

Name: CARAT BC22040000 extension 5/4" 400 mm steel
Brand: CARAT
SKU: 04044545
Price: 51.8 EUR
Availability: InStock

Supplier number: CARAT BC22040000 | EAN 8714452992814

Recommended Retail Price €71.39

51.80 tax incl.

€42.81 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

Ordered before 20:00 - delivered tomorrow 30/09/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

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Extended drilling depth with Carat

Practical benefits

Greater drilling reach: With a 400 mm length, you easily drill through thick walls, solid concrete slabs, and dense structures.
Durable solid steel build: The tough steel construction withstands heavy torque, giving you consistent stability and precision throughout heavy-duty drilling.
Standard 5/4" UNC connection: Featuring standard 5/4" internal and external threads, you quickly and securely attach it between drill motor and core bit.

In a nutshell

The right choise for

With the Carat BC22040000 extension, you easily increase your diamond core drill's reach by 400 mm. This lets you drill straight through thick concrete walls, multi-layer floors, and dense foundations without investing in expensive, specialized extra-long drill bits. Its solid steel construction withstands heavy torque, delivering dependable stability and precise power transmission without play. Thanks to the standard 5/4" unc female thread on the machine side and 5/4" unc male thread on the bit side, you can quickly mount it between drill motor and core bit. Designed for core bit diameters from 51 mm, it helps you complete demanding deep-drilling jobs with total control.

Product information FAQ

€51.80

In stock - tax incl.

Key features according to our expert

Accessory/Part type: Extension piece
Length: 400 mm
Connection type: External thread
Tool holder size: 1 1/4"
Tool holder type: Internal thread

Product description:

Extensions
For use of extensions 1/2 "G: minimum bore diameter 31 mm
For usage of extensions 5/4 "UNC: minimum bore diameter 51 mm

All Features

Accessory/part type: Extension piece
Length: 400 mm
Connection type: External thread
Tool holder size: 1 1/4"
Tool holder type: Internal thread

Brand CARAT
04044545
EAN 8714452992814
Supplier number CARAT BC22040000

Frequently asked questions about this product

Answered by specialists

What is this Carat extension used for?: This extension increases the drilling depth of your diamond core drill by 400 mm for deeper drilling in concrete and masonry.
What thread connection does the BC22040000 extension have?: The extension features a 5/4" UNC (1 1/4") female thread on the machine side and a 5/4" UNC male thread on the core bit side.
What minimum drill diameter is this extension suitable for?: This steel extension is suitable for diamond core bits with a minimum drilling diameter of 51 mm.
What material is this extension made of?: The extension is made of robust steel to provide maximum stability and reliable power transmission during core drilling.