What is the back set on a lock?

What is the back set on a lock?

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 does back set mean on a door latch?

The backset measurement is also an important thing to consider when choosing latches and door knobs/handles. 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.

How do I measure my backset?

Backset: A backset is the distance from the center of the cross bore, to the edge of the door. To determine the correct backset measurement for your door, you need to measure the distance from the edge of the door to the center of your cross bore.

What is the back plate of a door knob called?

Trim: Sometimes called a rose, the trim is a decorative plate attached to the door under the knob or lever.

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.

What is standard backset?

Standard backsets are either a 2 3/8″ backset, or 2 3/4″ backset. The most common backset is 2 3/8″ but 2 3/4″ is also quite common – usually used on exterior doors.

What are backset sizes?

B – The Backset The backset is an important measurement as it specifies the distance from the face of the lock to the centre of the keyhole. This allows you to correctly line up with existing holes in the door rather than drilling new ones. The most common sizes here are 44mm and 56mm (give or take a few millimetres).

What are the different parts of a door lock called?

The main parts of a door lock are the cylinder, bolt, box and strike plate. It’s useful for any DIY-er to know how things around the home operate.

Can you change the backset of a door?

Most door latches on the market today are adjustable, so that you can change the backset between 2-3/8″ and 2-3/4″.

What is backset size?

The backset is the horizontal distance from the edge of a door to the centre of a lockset; thus, the distance a lockset is ‘set back’ from the edge of a door is called its backset. It’s usually 1 inches or 2 inches (or 44mm and 57mm).

What is the typical backset for residential exterior doors?

Backset: Measure from the edge to the center of the drilled knob area; 2.375-inches (2 3/8-inches) is the modern standard.

What is the most common backset door?

2 3/8″
Standard backsets are either a 2 3/8″ backset, or 2 3/4″ backset. The most common backset is 2 3/8″ but 2 3/4″ is also quite common – usually used on exterior doors. Sometimes it’s easier to measure from the edge of the door to the highest point on the bore hole.