Buying a new cylinder lock? Read our guide.

Cylinder locks play an important part in your home or office security. This straightforward guide will tell you all you need to know before you buy.

Articles & News

Prevent Cylinder Lock Snapping

Cylinder snapping is a rudimentary and arguably easy way of breaking into homes. It involves burglars using brute force rather than picking locks. Why if this method is more easily used, has it only become so popular with criminals recently?

How To Replace A Euro Cylinder

This 'How to Video' shows you how to replace a Euro Cylinder and the tools that you'll need. Our professional lock installer shows you how to remove your old lock, prepare the door ready for the new lock and the steps that you need to take to install a Euro Cylinder safely and professionally.

How To Measure A Euro Cylinder

This 'How to Video' shows you how to measure a Euro Cylinder. Our professional lock installer shows you how to accurately measure the overall length, the internal and external measurements of a Euro Profile Cylinder to help you identify the correct size...

Superior Strength Door Locks

The Union StrongBolt group offers our most comprehensive range of door locks including 5 lever, 3 lever, bathroom locks and Euro and Oval cylinder lock cases.