How do you measure a tube latch?
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How do you measure a tube 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.
What is a bolt through tubular mortice latch?
Bolt through latches are essential for doors on which you are fitting handles or knobs with bolt through fixings. This type of mortice latch has additional piercings in the case which are there for the bolt through fixings included with the handles or knobs, to pass through.
How do I know what size tubular latch to buy?
You can take a quick measurement to determine for sure what size latch you need. Do this by measuring the width of your door stile, and halving the measurement you have taken. That will give you size of Backset you need to get to position your handle in the centre of the door stile.
What sizes do tubular latches come in?
There are different tubular latch sizes. The most common sizes are 63mm and 76mm. This measurement refers to the case length which is the length of the ‘tube’ or casing of the whole lock mechanism. It refers to how deep within the door the tube will reach.
What is the backset on a tubular latch?
The backset is the distance from the edge of the door to the spindle mechanism on the latch. Usually a 63mm case measurement will have a 44mm backset and a 76mm case measurement will have a 65mm backset.
Are all door latches the same size?
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 a standard tubular latch?
A tubular latch is an item of ironmongery which is usually morticed* into a door, which allows the door to be opened and closed by means of a Door Handle or Door Knob.
What is the case size on a mortice lock?
Most backsets are commonly measured at either 44mm (for a 64mm (2½”) lock) and 56mm (for a 76mm (3”) lock). Typically a lock adjacent to a glass panel will be 2½” (44mm) and otherwise 3” (56mm), but you should always measure to be sure.
What size do tubular latches come in?
Are all tubular latches the same?
The simple tubular latch is available in a staggering variety of different sizes, shapes, and quality levels.
What is backset on a mortice lock?
The backset is the distance from the edge of the door to the spindle mechanism on the latch. Usually a 63mm case measurement will have a 44mm backset and a 76mm case measurement will have a 65mm backset. The backset you choose is where your door knobs will sit on the door (where the spindle goes through).
What is backset on a latch?
‘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. To do this, measure the ‘backset’ distance of your old lock.
What is standard door latch size?
The most common size has a casing that is 64mm in depth and the distance to the middle of the square operating spindle is 44mm. This size of the latch is used for most lever handles on back plates, where the width of the backplate is about 40-45mm.
Are Mortice locks standard size?
There are two sizes of mortice locks: 21/2” and 3”. If you are installing a mortice lock to a door with a narrow frame, or any door for that matter, it’s very important to know what size lock you need.
Are there different size door latches?
How do you measure mortice lock size?
Backset is measured from the centre of the keyhole to the edge of the lock. Most backsets are commonly measured at either 44mm (for a 64mm (2½”) lock) and 56mm (for a 76mm (3”) lock). Typically a lock adjacent to a glass panel will be 2½” (44mm) and otherwise 3” (56mm), but you should always measure to be sure.
