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

Price £12.68 (Inc. VAT)
£10.57 (Ex. VAT)
(36 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.


36 Reviews Hide Reviews Show Reviews

  • 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

  • 5

    Posted by Brian on Apr 17, 2019

    Good product. Easy to order correct lock following your online instructions and drawing

  • 5
    thumbturn cylinder

    Posted by eedward marsden on Feb 11, 2019

    fits perfect and fast delivery

  • 5
    Thumbturn Euro Cylinder extra keys

    Posted by Christine on Jan 14, 2019

    Didnt have this size in the shops so came across this site.
    Excellent fit and quality.
    Ordered extra keys which fitted perfectly.
    Would happily use again

  • 5
    Door lock

    Posted by on Jan 12, 2019

    Just what I ordered. Key in the barrell feels precise and secure. Fits perfectly in door