Measuring horizontal locks is actually very straight forward.
Euro door lock sizes.
How to measure euro oval cylinder locks.
Specifically these locks are widely used throughout the united kingdom.
The name should give you a pretty clear indication of where they are popular.
This will show how simple it is using the diagram to the right.
Security brands such as yal.
Sizes can reversible so for example 40 50 is 50 40 but not in all cases.
How to measure the size of the euro cylinder lock barrel out of the door.
Cylinder locks have several standardized profiles a popular one of which is the euro profile.
Do not measure to the end of the black cam ring.
This is dimension a and is called the external size to centre.
Next measure from the inside edge of your door including furniture to the centre of your door to find dimension b the internal size to centre.
Because of the standardization of the lock a widely.
The locks are mainly used on residential doors.
How to measure a horizontal door lock.
A the case depth.
They are versatile and most brands will fit any kind of upvc door as well as composite aluminium and patio doors.
Euro cylinder door locks are the most common lock type in britain today.
Measure from the end of the cylinder barrel to the centre of the screw hole each way.
European locksmiths agreed on a standard profile of door locks over 150 years ago.
In general standardization would make manufacturing and servicing locks easier and the euro profile lock became the shape that was a compromise of several leading types.