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Euro Cylinder 6 Pin Front Door Lock with Thumb Turn

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Product Description

Solid Brass

 Euro Lock Cylinder

Key lockable cylinder with thumb turn

Connecting screws included

 Three keys included. 6 pin lock for high security



Available in both brass and satin finishes, these euro profile cylinder locks are manufactured from solid brass, have a key lock and thumb turn access and incorporate 6 pins for toughened security.

The high security 6 pin cylinders feature anti-pick, hardened pins and four mushroom drivers offering in excess of 100,000 key differs. This range of high performance profile locking cylinders have been engineered for ease of application and long term trouble free performance.


  • Cylinder lock with thumb turn - enabling key access on outside and thumb turn on inside

  • 6 pin locking mechanism for high security uses

  • Supplied with three keys

  • Made from a high quality and strong solid brass

  • Available in various sizes and configurations

  • Suitable for all euro mortice and multi-point locks

  • Individually boxed

  • Conforms to latest BS EN 1303:2005 standard

  • 12 month manufacturer guarantee

Please note: When selecting your required cylinder size, the barrel end with the thumb turn is indicated by the dimension with a T adjacent (for example: T50/20 - the thumb turn end is the longer end with 50mm between central screw hole and thumb turn end)

Technical Information

Please remember: The location of the T on the size display indicates on which end the thumb turn is located (e.g 50/45T or T35/50)

Click here for full downloadable instructions

How do I measure and order a thumb turn door cylinder?

The size of cylinder you need is determined by the thickness of the door and handle combination, for this reason there are many sizes available and you will need to be careful that you measure the cylinder accurately (one size will not fit all).

It is possible to measure a door cylinder in the door, but to be sure it's best to remove it first.

Measurement A: measure from the keyhole end to the middle of the central screw hole (e.g. 45 mm).

Measurement B: measure from the middle of the central screw hole to the thumb turn end (e.g. 35 mm).

For example: 50/50 lock is A = 50mm / B = 50mm (which gives a 100mm total length)

How do I fit a new door cylinder?

1. Open the door and unscrew the one fixing screw which is located on the lock faceplate (the strip of metal the full length of your door), in line with the bottom of the door cylinder.

2. Put the key into one side whilst holding the other side firm.

3. Turn the key and the cylinder should slide out, if it does not turn the key in the opposite direction and the cylinder should slide out.

4. Take your new cylinder lock and insert the new key and turn it until the cam is inline with the body of the cylinder. Insert the new cylinder into position and replace the fixing screw.

5. If the door cylinder is offset (i.e. 40/60, 30/50 etc) ensure the offset is protruding from the correct side. Check the operation of the lock before you close the door.


How far should a door cylinder protrude out of the door handle?

Your new door cylinder should protrude between 2mm and 5mm from the handle back plates, but due to the overall lengths of cylinders available this is not always possible. It is most sensible to go for exactly the same size as you are replacing (unless your old cylinder was protruding excessively).

The stamp on the product is now "LSH":

ERA Products, The Door Lock People, have joined with sister company LSH (formerly Laird Security Hardware), to provide customers with the complete package in door and window hardware.

LSH will now be known as ERA Security Hardware Solutions sitting alongside ERA Products under the newly created company; ERA, Leaders in Hardware for Doors & Windows.

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Size T40/40
Finish Brass

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Euro Cylinder 6 Pin Front Door Lock with Thumb Turn

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