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Ujk  |  SKU: 104302

UJK Parf Self-Locking Clamp Dog

€28,06 (22% VAT incl.)
Business solution up to 30 installments

Consegna e Spedizione

Noi di Krollit garantiamo un processo di spedizione sicuro e affidabile. Gli ordini vengono gestiti con la massima cura e tracciabilità fino alla consegna.

Per spedizioni internazionali, ti invitiamo a inviare la richiesta tramite l’apposito form di contatto.

Al momento della consegna, firma sempre la bolla con la dicitura “con riserva di controllo”, così da permettere la corretta gestione di eventuali irregolarità o difformità del prodotto.

Il nostro obiettivo è assicurarti un servizio puntuale e un’esperienza d’acquisto senza pensieri.

Description

The UJK Parf self-locking dog is made from CNC machined 303 stainless steel, with a diameter of 20 mm and an overall length of 90 mm. A simple twist of the top locks the dog into the 20 mm hole, eliminating any play, without the need to access the underside of the worktop. Supplied with 2 interchangeable collars and 2 spare O-rings. Compatible with the Festool MFT/3 table and all grid tables with 20 mm holes. Made in Great Britain. Distributed in Italy by Krollit, official UJK distributor since 2007.

  • Diameter: 20 mm
  • Overall length: 90 mm
  • Protrusion with intermediate collar: 60 mm
  • Intermediate collar: 25 mm diameter, 10 mm height
  • Locking mechanism: tool-free twist of the top
  • Material: CNC machined 303 stainless steel
  • Interchangeable collars included: 2 (25 mm intermediate collar and chamfered stop collar)
  • Spare O-rings included: 2
  • Hole compatibility: 20 mm with or without chamfer (reversible collar)
  • Table compatibility: UJK multifunction table, Festool MFT/3, 20 mm grid tables
  • Origin: Great Britain

Who uses the UJK Parf self-locking dog and what for

The UJK Parf self-locking dog is used by carpenters and wood craftsmen who need a stable and play-free reference on multifunction tables with 20 mm holes. In Italy, it is particularly adopted by those working with guide saws on multifunction tables for 90° and 45° cuts with the Parf MkII drilling system, those performing routing and sanding tasks that require workpiece clamping without oscillation, and professionals working on construction sites with portable cutting stations where reference rigidity is crucial for cutting precision. The self-locking twist mechanism from the top eliminates the need to access the underside of the table, unlike traditional dogs with threaded knobs.

Krollit logistics and support

Shipping 3–5 business days from Krollit warehouse, Monteforte Irpino (AV). Technical assistance in Italian at +39 0825-1494022.

Who the UJK Parf self-locking dog is for

Profile Compatibility Reason
Carpenter with UJK multifunction table or Festool MFT/3 and guide saw Suitable The twist lock eliminates the typical play of dogs without a locking mechanism; 60 mm protrusion with intermediate collar suitable for use with guide rail
Those performing routing and high-vibration machining Suitable Once locked, the dog does not oscillate; the zero-tolerance mechanism ensures position even under vibration
Those needing a low-profile dog Suitable The dog can be inserted from the underside of the table and locked to achieve a flush surface reference
Those seeking clamping on tables with limited access to the underside Suitable Locking is done from the top with a simple twist, without the need to access the underside of the table

Not recommended for: tables with hole diameters other than 20 mm and for applications on timber thicker than the saw's cutting capacity, for which the UJK Parf long 120 mm clamping dog is recommended.

Technical specifications

Dimensions and mechanism

Diameter 20 mm
Overall length 90 mm
Protrusion with intermediate collar 60 mm
Intermediate collar diameter 25 mm
Intermediate collar height 10 mm
Locking mechanism Tool-free twist of the top
Insertion from underside Yes, for low-profile use

Material and supply

Material 303 stainless steel
Machining CNC
Interchangeable collars included 2 (25 mm intermediate collar and chamfered stop collar)
Spare O-rings included 2
Supply Single
Hole compatibility 20 mm with chamfer; with inverted collar also without chamfer
Table compatibility UJK multifunction table, Festool MFT/3, 20 mm grid tables
Country of manufacture Great Britain

Comparison with UJK 50 mm reference dogs

Parameter Self-locking dog 50 mm dog When to choose the self-locking dog
Locking mechanism Zero-tolerance top twist None, direct insertion When total absence of play is needed
Protrusion 60 mm (with intermediate collar) 50 mm Use with rail on thicker materials
Flush profile Yes, insertable from below No When a low-profile dog is needed
Compatibility with non-chamfered holes Yes, with inverted collar No Non-chamfered tables
Supply Single Pair Purchase at least 2 for use with rail

Frequently asked questions

How does the UJK Parf self-locking dog mechanism work?

A simple twist of the dog's top changes the tolerance from fine to zero and securely locks it into the 20 mm hole. A twist in the opposite direction releases it. No tools are needed, and there's no need to access the underside of the table.

The mechanism solves the typical problem of tall dogs without locking: even with tight tolerances, a 60 mm dog without a lock always has slight play, resulting in cutting inaccuracy. The UJK Parf self-locking dog eliminates this play by bringing the tolerance to zero once locked.

Sicurezza del prodotto

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