Our lock guide

Our lock guide

When a customer phones for a quote to change or install a lock the first question we will ask is "what type of lock is it?"

Not all locks are the same. By looking at this guide then comparing it to the locks fitted to your door you should be able to confidently identify your lock with ease.

For more information regarding the different types of locks and how to identify them please read the notes at the bottom of the page. Guide provided by A.L.S. Locksmiths in Glasgow

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Yale Lock BS

A high security Yale Lock. Look for a rectangular type shape usually brass or chrome. Type is anti pick, drill. Fitted to wooden doors.

Euro Lock

Can be fitted without the handles. Look for the lollipop type shape of the cylinder. Can be fitted on all types of door.

Oval Cylinder

Look for the oval shape. Fitted below the handles. Might be surrounded by protective roses as picture shows or within lever type handles. Fitted to all types of doors. 

Scandinavian Lock

Easily identified by being above the handles. The lock is actually 2 locks an internal and external lock that both work with the same key. A thumb turn can be fitted on the internal side. Fitted to composite and wooden type doors.

Very good and high security lock

Mortise Lock

Look for a keyhole. These locks come in different varieties like 3, 5 lever and British Standard. You can identify the type by looking at the face of the lock (were the bolt comes out) and the description will be stamped. Fitted to wooden doors.

Yale Lock

Cylindrical lock on the external face of the door. Can be fitted on all types of doors. Not recommended fittting on UPVC.

Sash Mortise Lock

Same as a mortise lock but comes with a latch so look for handles fitted with a distinctive keyhole.

Yale Nightlatch

Rear side of a Yale Lock. Comes in many varieties from latch, rollerbolt, bolt and high security British Standard. 

 

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