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How to measure a Door Cylinder

Cylinders are available in 5 main variants:

  

Always keep an eye out for the below features too. Heres a handy guide to what they all mean:

                    

 

                 

The diagrams below show how you should measure for a door cylinder. Our aim is to make it as easy for customers as possible but should you require extra information please give us a call direct on 0845 830 0832 and speak to one of our expert technicians. 

            

            

                                    Double Cylinder                                                     Single Cylinder

 

                                                            

Please Note: For ABS Cylinders and Carl F Cylinders the above is reversed as per the image below.

If you are having any difficulty working out the correct mesaurements for your cylinder please give us a call on 0845 830 0832.

                                      

            Double Cylinder (ABS and Carl F brands only)

 

                    

Once you have determined the length you need you are now ready to choose an anti-snap cylinder from our range. Here at Lock Shop Direct we only stock leading brands and if you need a double cylinder we recommend either Yale or ABS locks


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