Euro Cylinders

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What’s a Euro cylinder lock and when should I use one?

Euro cylinder locks have a long barrel with numerous pins (usually 5 or 6) inside which are opened by a key. Euro cylinder locks are very common in Europe and are very easy to install and replace. This type of lock is suitable for uPVC, wood, composite, and aluminium doors. For internal doors, a 5-pin lock is sufficient, but for exterior doors, at least 6 pins, if not more, should be used.

What size Euro cylinder do I need?

There are a few measurements you’ll need to take to assess this. Firstly, measure the thickness of your door. Next, measure the thickness of the backplate of your handle on the interior side of the door. Take the same measurement on the exterior side of the door. For example, if your door width is 70mm and your backplate is 5mm thick on both the interior and exterior, then the total width will be 70 + 5 + 5 = 80mm. This value is then split (normally in half), to give two values of 40mm, which relates to a cylinder size of 40/40. If you’re still unsure about which size cylinder you need, please feel free to contact us!

What does KA and KD mean?

KA means keyed-alike. This means you can have multiple locks which use the same key. This is ideal if you have multiple locking doors and don't want to carry a unique key for each one.

KD means keyed-to-differ. This means that each cylinder you purchase will require a unique key to open. This is more pracitcal if you need more control over who has access to certain areas.