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

Price £12.68 (Inc. VAT)
£10.57 (Ex. VAT)
(31 reviews) Write a Review
Part Number:
In Stock
Delivery Cost:
Calculated at Checkout
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.


31 Reviews Hide Reviews Show Reviews

  • 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

  • 5
    Thumbturn barrel lock

    Posted by Roy Cheetham on Jan 09, 2019

    Did the job great . Exactly the right length

  • 5
    Eurolock with thumb turn.

    Posted by David Doran on Jan 09, 2019

    Easy fit and operates perfectly. We shall how well it performs in due course.

  • 5
    UPVC Lock Barrel

    Posted by Stuart Fletcher on Jan 09, 2019

    Good quality product, easy to fit. Impressed how website ensures the correct product is ordered.

  • 5
    Thumb turn locks

    Posted by Keith Byfield on Oct 29, 2018

    Very good service, simple and good guide to order correct lock, arrived in good order and fitted easily and

  • 5
    Euro Lock Cylinders

    Posted by Martin Baines on Jul 23, 2018

    Very helpful site. It is the only site that gave me the confidence to order by stating which measurement was on the thumbscrew side. Order supplied exactly as required. Excellent service.