Are night latches a standard size?
Night latches are available to purchase in two sizes, which are 40mm backset and a 60mm backset. What size lock you require will depend on the type of door you have.
How does Yale measure night latch?
The size of a Night Latch is measured from the centre of the keyhole to the edge of the door where the night latch should finish.
What height should a night latch be?
Typically, a night latch mounts on the door 48 inches from the floor. Mark the desired height at the lock side of the door with a pencil.
What size hole is needed for a Yale lock?
1. At the height you want your lock, use a pencil to mark a spot exactly 40mm (15/8″) from the edge of the door. At that spot, drill a 32mm (11/4”) diameter hole through the door.
Are all Yale locks the same size?
Size tends to be dictated by the level of security and functionality offered. Older traditional style Yale locks will often be ‘slimmer’ than modern high security models.
How are Yale locks measured?
Measure from the outside edge of the door (including furniture) to the centre of your door. 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.
What is backset on a Yale lock?
‘Backset’ is the distance from the front of the lock to the centre of the spindle as shown here. If you intend to use new locks or latches on an old door, replacing your old ones, you will need to make sure the new one fits into the hole in the door.
How do you measure a door latch?
Overall Latch Size = Backset An easy way to choose which latch you need is to measure from the edge of your door to the centre of your door Stile. Choose the Backset which is closest to this measurement, and the handle will be as central as possible to the Stile on your door.
How do you measure a Yale lock?
How do you measure door latch?
How do I know what size latch I need?
What is the backset of a latch?
The backset is the distance from the edge of the door to the center of the 2-1/8-inch bore hole. In the United States, there are two common backsets for residential door locks: 2 3/8 inches and 2 3/4 inches. Pack your locks with a 2-3/8-inch or 2-3/4-inch latch, depending on which backset you specify.
What is the backset dimension?
The backset is the distance from the edge of the door to the center of the 2-1/8-inch bore hole. In the United States, there are two common backsets for residential door locks: 2 3/8 inches and 2 3/4 inches.
What size backset do I need?
You can work out the size of the lock by measuring the distance from the edge of the door to the centre of the door handle or knob. This measurement will give you the approximate size of the backset which will allow you to identify which size lock or latch you have.