What is a door back set?
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 does backset mean?
‘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 a Sashlock?
A sash lock works by using a lock, latch & handle mechanism meaning you can open and close the door without the worry about it locking behind you and you don’t need the key each time. Available in a variety of security levels dependant on requirements, along with insurance approved mortice sash locks.
What does back set mean in a door lock?
The backset is the distance from the edge of the door to the spindle mechanism on the latch. Usually for a 63mm case measurement it will have a 44mm backset and for a 76mm case measurement will have a 65mm backset.
How do you measure for 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 the backset on a window lock?
The back set dimension on a window locking mechanism is referred to as the space from the front of the faceplate, to the centre of the spindle, this should be measured in mm.
What is the backset on a night latch?
60mm
The backset on a night latch is the distance from the centre of the keyhole to the edge of your door, you will find most night latches will have a 60mm backset.
How do you measure a door backset?
The backset is the measurement from the edge of the door to the center of the bore hole. Most door handle sets feature a 2-3/8″ or 2-3/4″ backset. To determine the backset on your door, measure the distance from the outer edge of the door, to the center, or highest point of the bore hole.
What do you mean by backset on a door?
‘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.
What is the hinge backset for a door frame?
Hinge backset is the dimension from the leading edge of the hinge to either the stop on the frame or to the stop face (push side) of the door. For operating clearance, the hinge backset on the door is 1/16″ less (smaller) than the hinge backset on the frame. The method or measuring hinge backset varies between SDI and NAAMM/HMMA.
When do you use the term backset for a lock?
The term backset is used to describe the location of a lock in relation to the edge of a door. This dimension is used for all types of locking devices, including cylindrical and mortise locks as well as deadbolts and handle sets.
How is the backset on a doorknob measured?
This distance is the backset, which is measured from the edge of the door to the center of the large hole. Almost all doorknobs are designed to fit one of two common backsets, 2 3/8 or 2 3/4 inches. Many knob and lock sets are convertible to fit pre-existing holes cut at either backset distance.