Measuring A Cylinder Door Lock

Https www locksonline co uk cylinder index html how to measure your lock faq an oval cylinder has an oval shape and is used in conjunction with an oval m.
Measuring a cylinder door lock. A the case depth. How to measure the size of the euro cylinder lock barrel out of the door. Before purchasing a lock measure your door s backset cross bore and thickness to ensure you find the right fit. How to measure a horizontal door lock.
Usually the backset measures 2 3 8 inches or 2 3 4 inches. This is the overall depth or length if you like of the horizontal lock body. Cylinder door locks are not difficult to replace if you have basic diy skills you only need two measurements. The backset is the distance from the edge of the door to the center of the 2 1 8 inch bore hole.
Remove the euro cylinder if you are unsure see below for instructions on how to remove a euro cylinder lock. Sizes can reversible so for example 40 50 is 50 40 but not in all cases. 2 3 8 inches and 2 3 4 inches. Do not measure to the end of the black cam ring.
They can be fitted to your front and back doors and offer resistance to drilling picking bumping etc. The distance between the edge of the door and the center of the lock hole. Measure from the end of the cylinder barrel to the centre of the screw hole each way. 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.
In the united states there are two common backsets for residential door locks. Measuring horizontal locks is actually very straight forward. 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 locks are the most common lock type in britain today.
Security brands such as yal. Get measurement a measure from the left end of the cylinder to the centre of the fixing hole. Measure from the outside edge of the door including furniture to the centre of your door. If you marked the left side of the cylinder with a pencil then.
Lay the cylinder down place cylinder on it s side for measuring. Measuring for a new cylinder.