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Apr 162014

Lock or Cylinder snapping is a method used by burglars to break into upvc doors, this article does not describe how it’s done, just a brief description including preventative measures to stop this type of attack.

How Lock Snapping Works

Lock snapping is a method of entry employed to enter a property where a euro cylinder or alike has been installed, nearly all upvc double glazed doors , aluminium doors and composite doors are fitted with this type of cylinder. Although the doors and locking mechanisms themselves offer a high level of security they are all compromised if the cylinder that operates the lock can be snapped, this leaves the lock mechanism exposed, which can then be easily manipulated and opened very quickly.


Burglaries where the cylinder snapping method has been used is on the increase throughout the UK , with the right tools, thieves can be in and out your property within minutes. While it is something to be concerned about, it can be prevented quite easily by simply replacing the existing cylinder with a British Standard anti snap approved alternative.

Anti Snap Cylinder Lock

British Standard Anti Snap Cylinders

Fitting an approved Anti Snap Cylinder will stop this type of break in occurring. As well as being Anti Snap a replacement cylinder should also have the following specs:

  • 6 pins
  • Anti pick
  • Anti drill
  • Anti bump
  • Anti snap
  • Anti grip deflectors
  • Kitemarked BS EN 1303:2005
  • TS007 3 star rating
  • SS312 Sold Secure Diamond rating

British Standard Anti Snap Euro Cylinder

If you are not sure if you have an approved cylinder fitted already Look for the British Standard Kitemark and 3 stars above the Kitemark which will be stamped on the outside face of the cylinder.

Book a Survey

Abbey Locksmiths offer a free of charge security survey, we can identify any security risks and advise you on possible solutions. For more information call us on 0330 088 28 76 or email: service@abbeylocks.co.uk 

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