Thumbturn Euro Cylinder Door Barrel (with key on one side)

Price £12.68 (Inc. VAT)
£10.57 (Ex. VAT)
(40 reviews) Write a Review
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Thumbturn Euro Cylinder Door Barrel (with key on one side)

Thumbturn locking euro cylinder barrels for use with UPVC & aluminium doors.

Various sizes available. Come with 3 keys. 

Available in Brass or Chrome.

From £9.88 depending on total length of barrel


  • 1 Barrel with key access on external side and Thumbturn on internal side
  • 3 keys
  • 1 fixing screw

 Extra keys available only £2.95 + VAT each.   That's cheaper than parking in town.

 ** Please note: extra keys are cut to order and will not be refunded or replaced if you order the wrong size cylinder  **


How to measure and order:

  • Starting on the Thumbturn side, measure from one end of the barrel  to the centre of the fixing screw hole - this is Size A.
  • Repeat on the key turn side, measuring to the centre of the screw hole - this is Size B
  • It is important that the thumbturn side is entered as Size A
  • Measurements are in 5mm increments.






These thumbturn euro cylinders barrels are suitable for UPVC doors, patio doors and french doors. They can be used on aluminium and timber installations.

All of our Euro Barrel cylinders come complete with 3 keys and copys for the cylinders can be obtained when you purchase.

Our cylinders conform to BS 1303 EN Classification 1 6 0 0 0 C 6 0. 



Door Measuring Cylinder Guide


Simple steps to help you measure the correct cylinder for your door.




1. Measure from the middle of the bolt hole (C) to edge of the cylinder on side A (thumbturn side)

2. Measure from the middle of the bolt hole (C) to edge of the cylinder of side B


Enter these sizes in the order form and you will get exactly the same size cylinder that came out of your door.

Remember to make sure you measure the Thumbturn size first.


40 Reviews Hide Reviews Show Reviews

  • 5

    Posted by Stuart on Nov 09, 2019

    Ordering was easy, order was customised as my instructions, delivery fast and product good quality.

  • 5
    Thumbturneuro lock

    Posted by Garry dale on Oct 28, 2019

    Fast delivery AAAAAAAAAA++++++++++

  • 5
    Euro Locks

    Posted by richard long on Oct 23, 2019

    Just what I wanted with prompt delivery.
    Obviously time will tell how they perform but I see no reason to fault them as they seem to be of good quality.

  • 5
    Very good

    Posted by Susan on Oct 03, 2019

    Easy to replace so far very pleased with them bought two .only thing now have two different keys where's old lock done front and back roordoor but just have to get use to it .much easyer just turning the knob rather than go looking for key to lock old door from in side .very happy with our purchase

  • 5

    Posted by Bob on Sep 01, 2019

    Great service great company great products

  • 5
    The Cylinders were exacltly as described.

    Posted by P.J.Dixon on Aug 15, 2019

    The product is well manufactured at a very good price and delivered within a couple of days by Royal Mail, Good effort all round and nice people to deal with.

  • 5
    Thumbturn Barrel Lock.

    Posted by Alan Hayward on Jun 11, 2019

    Received within 2 days and is of good quality. Would recommend without hesitation. Thanks!

  • 5
    Thumbturn Euro Cylinder Door Barrel

    Posted by Chris Pickering on May 31, 2019

    Very happy with this product and the service I received from Very professional and a quick delivery.

  • 5
    Euro thumb turn cylinder

    Posted by Steve Newell on May 20, 2019

    Prompt efficient service. Simple. Thank you