UJK Technology

UJK Expanding 20mm Dog Set

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  • UJK Expanding 20mm Dog Set (108818) All Pcs
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  • UJK Expanding 20mm Dog Set (108818) Dog 3
  • UJK Expanding 20mm Dog Set (108818) Dog 1
  • UJK Expanding 20mm Dog Set (108818) Dog 2


A Simple Twist of the Top Locks the Dog in Place

UJK Expanding Dogs are effectively shorter and slightly simpler versions of the UJK Parf Super Dog. They feature the same locking mechanism as the UJK Super Dog, and are similarly CNC machined from 303 stainless steel in Great Britain.

These dogs ‘expand’ the possibilities and uses on any workbench with 20mm dog holes. They’re compatible with the Festool MFT/3 Multifuntion Table or custom-made 20x96mm worktops.

The locking mechanism is designed to take up any slight tolerance there might be in the dog hole itself. A simple twist of the top of the dog changes fine tolerance into zero tolerance and locks it firmly in place. Once locked the Expanding Dog will sit perfectly still, without any wobble or movement.

Supplied with the unique chamfer ring, this feature ensures the dog sits in the hole and provides a register ensuring the dog sits exactly at 90° to the work surface when locked in place. All while still allowing for a flush fit. The chamfer ring also stops the dog from falling through the hole before it has been adjusted.

We offer the UJK’s Combined Chamfer & Reamer Tool as well as UJK's Manual Chamfer Tool for cutting hole chamfers in non-chamfered tables, or you can use a router with a 45° bevel cutter to create a slight chamfer.

This set contains four pairs of different height dogs, each with the Super Dog locking mechanism. Supplied in a Systainer Mini, consisting of a pair (two each) of the following: 10mm, 30mm, 40mm and 60mm projection above the surface of your bench.

Key Features

  • For benches and tables with 20mm dog holes
  • Simple twist of the top locks dog in place
  • Includes a pair (two each) of dogs with the following above-table projection: 10mm, 30mm, 40mm and 60mm
  • Supplied in a Systainer Mini
  • Made in Great Britain
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3 Reviews

  • 5
    Very impressed with the quality! I used the Parf Guide System on my workbench; these fit perfect! Glad I got them!

    Posted by Rodney Curtis on 23rd Apr 2024

    Glad I purchased..!

  • 5
    Stop your dog from wobbling

    Posted by Loren Eidahl on 17th May 2023

    Do you have sloppy dog Holes? Did your 20mm router bit drill the holes a bit oversize? These dogs fix those problems and more. When accuracy counts - buy these.

  • 5
    Good addition to MFT

    Posted by MIke Pharaon on 28th Apr 2023

    Good addition to my MFT table / work bench. Small mini Systainer and compact box with Dogs. Good value for price.

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