Make tough work lighter! Free DeWALT work light.  Discover!
kukko_21_4
kukko_21_4_2
kukko_21_4
kukko_21_4_2

KUKKO 21-4 internal puller with 2 scales 20 to 30 mm

Supplier number: KUKKO 21-4 | EAN 4021176011238
82.95 tax incl.
€68.55 excl. VAT (incl. all environmental contributions)
On stock - immediately available | we have 1 products in stock.

  • Ordered before 20:00 - delivered tomorrow 01/10/2026
  • Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
  • Delivery by DHL
  • Delivered from Belgium

Reliable extraction for internal components

Practical benefits
  • Secure internal grip performance: With the Kukko internal extractor, you easily pull out bearings, bushings, and rings from 20 to 30 mm.
  • Protective two shell design: Extra large grasp edges ensure a firm hold on internal walls without damaging adjacent parts.
  • Versatile modular tool connection: The M10 thread lets you connect the tool directly to compatible counter stays or slide hammers.

In a nutshell

The right choise for

With the Kukko 21-4 internal extractor, you effortlessly remove tight-fitting ball bearings, needle bearings, bushings, and outer rings with an inside diameter of 20 to 30 mm. Even components seated flush against a wall or inside blind holes are extracted with complete control, preventing damage to the surrounding housing or shaft. The robust 2-shell design with extra wide gripping edges ensures a powerful, non-slip internal hold, while the built-in safety stop prevents overspreading and overload. Featuring a 40 mm reach depth and a standard M10 connection thread, this extractor attaches seamlessly to a compatible counterstay or slide hammer for fast and dependable mechanical maintenance.



€82.95
In stock - tax incl.

Product information

Key features according to our expert

  • For diameter: 20-30 mm

Scope of delivery

  • Optional extension:21-V-310
  • Extension / extensions for internal puller (100 mm Extension / extensions, fixing thread M10):22-0-05
  • Puller with 200 mm stroke travel, 0.5 kg stroke mass:22-0-17
  • Percussion gripper with 250 mm travel, 1.7 kg Stroke mass:22-1
  • Counter support, up to 60 mm clamping range, 115 mm clamping depth:22-2
  • Counter support, up to 100 mm clamping range, 165 mm clamping depth:

Product description

Series 21 inner pullers are used for pulling out internal bearings, bearing outer rings and bushings in Craft, workshop and Industry. The multi-part design of the inner pullers with their extra-large grip edges enables safe extraction of internal parts. Series 21 impresses with its compatibility and versatility in applications. Depending on the application, there are numerous variants of either 2- or 3-shell inner pullers. They are used either together with Counter supports or with stroke pullers.

Application

For pulling out inner bearings, bearing outer rings and shaft holes in Craft, workshop and Industry.

All Features

For diameter
20-30 mm
  • Brand KUKKO
  • EAN 4021176011238
  • Supplier number KUKKO 21-4

Frequently asked questions about this product

Answered by specialists
Which inner diameters is this internal extractor suitable for?
The Kukko 21-4 is designed for bearings, bushings, and outer rings with an internal diameter from 20 to 30 mm.
What accessories are required to operate this internal extractor?
It must be used in combination with a counterstay (such as Series 22) or a slide hammer (such as Series 22-0).
What is the mounting thread size of this extractor?
It features an M10 connection thread for attaching directly to counterstays or slide hammer devices.
What is the reach depth of this extractor?
This model has an internal reach of 40 mm. For deeper seated components, use the 21-V-310 extension.
How does the design protect against overloading?
The 2-shell design features an integrated safety stop to protect against overspreading and overload during tensioning.
Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

Chat with us

Viewed products

⚠️
Connection lost
Oops! It looks like you lost your connection. Page was automaticaly reload.