UJK Technology

UJK Assembly Square

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  • UJK Assembly Square 105280 - Main
  • UJK Assembly Square 105280 - Squaring Joint
  • UJK Assembly Square 105280 - Clamping
  • UJK Assembly Square 105280 - Hanging
  • UJK Assembly Square 105280 - Squaring
  • UJK Assembly Square 105280 - Glue-up


The Perfect Square for MFT-Style Tables

When it comes to putting a box or carcass together, this is a truly useful accessory. Used in conjunction with an MFT-style multifunction table, this Assembly Square is a very effective third or even fourth hand when trying to join the corners of a cabinet carcass or frame.

This square is made of an L-shaped section of CNC machined, HDF Valchromat with 360mm (14.2") long legs. The legs are exactly at 90° and feature a group of three 20mm dog holes. These holes align diagonally with the multifunction table dog holes. Once in place, the Assembly Square forms a reference for a fast, spot-on accurate way to set up a guide rail for 45° miter cuts.

The square really comes into its own as an assembly aid for box, frame or carcass construction. Having cut all the pieces with the utmost precision, the Assembly Square ensures the parts go together at perfect right angles. The arms have cutouts for clamps and holes for spigot clamps with which to hold two pieces while dry fitting, gluing, and fastening/clamping.

Positioned in place on a multifunction tabletop with TSO Chamfer Dogs, the addition of a couple of UJK Cam Clamps can lock your workpiece in place—perfect for sanding, scraping and planing.

Valchromat is certified by the Pan European Forest Council (PEFC).

Key Features

  • Truly useful accessory for a multifunction table</span
  • Use to hold parts at exact right angles
  • Thick HDF Valchromat, durable and stable
  • CNC machining guarantees accuracy
  • 360mm long legs at 90°
  • Forms a reference for a fast, accurate setup for miter cuts with guide rail
  • Made in Great Britain
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2 Reviews

  • 4

    Posted by Richard Carawan Sr. on 27th Mar 2024

    Nice square, but the 20mm dogs cannot be inserted in the location holes provided. Ordered the 20mm drill / reamer. We'll see what happens. I have alot of TSO products and there all top notch

  • 4
    Assembly square is a little rough

    Posted by Jim on 25th Apr 2023

    The product is good & accurate; but the surfaces are tougher than I expected and I had to read out each of the 20 mm holes to accept dogs.

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