Your cylinder locks should be as flush as possible with the handles maximum projection is 5mm if you current lock sticks out by more than 5mm either side of the hanldes then choose a smaller size.
Euro cylinder door lock sizes.
How to measure the size of the euro cylinder lock barrel when in the door measure from the centre of the screw hole x to the edge of the handle backplate on the outside o and round up the size to the next 5mm increment i e.
Smith locke 1 6 pin double euro cylinder lock 35 35 70mm polished nickel 7818p out of 5 stars 11.
Rockwell 90 degree solid brass euro profile cylinder lock in polished brass fits 1 3 4 inch thick doors.
The most common is the euro cylinder which is used on the modern upvc door.
Although we supply lots of different brands of euro cylinder locks to suit your needs we do recommend the zone 6 pin or the ultion 3 star kitemarked range as these.
Find euro cylinder locks at toolstation to suit the size and style of your door including yale thumbturn double and high security cylinder locks here.
Measuring for a new cylinder.
They are very easy to remove and install.
This is dimension a and is called the external size to centre.
The most important part of the process is in the preparation.
Euro cylinder locks are designed for a wide range of uses and as such come in a variety of types sizes.
When measuring the euro cylinder you normally measure from the screw hole so in this picture the overall length of the euro cylinder is 90mm but this would be represented as a 40 50 as it is 40mm to one side of the screw and 50mm to the other.
The cylinder size required is determined by the distance from each edge of the cylinder to the centre of the fixing hole.
Euro cylinders are self contained devices.
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If you re measuring for a new door you ll need to consider the door s width and any door furniture such as handles or escutcheons.
A cylinder should never stick out more than 5mm.
Euro cylinders are held in place by a fixing bolt that is screwed from the door edge through a threaded hole on the side of the cylinder under the cam.