What is cross bore of door?

Bore Holes: There are two types of bore holes in a door – cross bore and latch bore. A cross bore is the largest hole and passes through the door from one side to the other, and it is where the actual door knob is inserted and mounted. The latch bore is the small hole on the edge of the door for the latch itself.

Besides, what is a bore hole on a door?

Most interior doors are prepped with a single boor hole. The Bore hole is the large diameter hole where the door knob is mounted. The standard sized bore hole is 2 1/8" in diameter. Through the edge of the door there is a 1" cross bore that extends from the edge of the door through the bore hole.

Secondly, what is a lockset bore? Bore holes: The latch bore, also known as the edge bore, is the hole drilled from the side of the door into the cross bore to allow the latch of the lock to be installed and to accommodate the sliding of the deadbolt.

Hereof, what does double bore door mean?

Double bore hole If your door has two or three bore holes, it's almost certainly an exterior door.

What is a backset on a door?

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.

34 Related Question Answers Found

Are deadbolts a standard size?

Deadbolt locks are operated by a thumb-turn located on the trim plate on the interior of the door, or by a key located on either side of the door. Most deadbolt assemblies are a standard size, but you'll need to read the instructions or measure the assembly to choose the correct hole saw bit.

What is the little hole on the side of my door knob for?

I'm going to assume that this is a small round hole in the center of the knob. This is designed as an emergency way to open interior doors with locks such as a bathroom or bedroom door. It's called a privacy lock.

How do you drill a strike hole?

Drill Holes and Secure the Strike Plate

Use a 7/8" spade bit to drill two overlapping holes in the doorframe for the deadbolt. Mortise the area around the hole so the strike plate will fit flush with the doorframe. Drill pilot holes and secure the striker plate with screws.

Are door handles a standard size?

The industry standards are usually 44 mm/ 57mm / 82mm / 107mm / 130mm. Ideally you will try and choose the backset measurement that sites the door handle in the middle of the door stile. A shorter backset is recommended if you're using a glazed door.

What does no bore mean?

Non- mortised means that there is no bore (hole) for the lock and no slots for the hinges – so basically it's a plain slab. Once the door is cut to match the old door, next step would be to cut the hinge slots. For the hinge slots you can use existing hinges or the old door as a template.

How many locks should a front door have?

Many doors have two locks for several reasons, some that come from legacy practices and technology. A lockable knob or lever is easy to secure when you're within the premises. Push the button or turn the knob and the door is locked.

What is a dummy door lever?

Dummy knobs are fake, fixed knobs used to open and close a door that doesn't have a traditional latch. Available in common designs including handlesets and levers, dummy knobs also are used to dress up inactive doors.

What is the difference between mortise and cylindrical locks?

The most glaring difference between a mortise lock and a cylindrical lock is the fact that a mortise lock requires a pocket or an indention to be cut into the door at the specific spot where the lock is to be fitted.

How do you get a keyed door lock the same?

To get your locks re-keyed, visit your local locksmith to have them do it for you. Or, just ask the store you're purchasing the locks from to re-key the lock to one you may already own. It's a process that should only take a few minutes.

What are the different types of door handles?

Doorknobs or Levers - There are four different types: keyed entrance, privacy, passage and dummy knobs. Deadbolts - These are often forgotten. Most exterior doors are also pre-drilled for deadbolts. These can be keyed alike other doorknobs.

How do you bore a door?

Use a drill/driver with the 2 1/8” hole saw to bore a hole through the door. Once the center bit is through the door, stop. Bring the hole saw the other side of the door and finish the bore. Use the 1” hole saw to bore a hole through the edge of the door to create an area for the latch.

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.

What is the best door lock installation kit?

5 Best Door Lock Installation Kit to be a Door Expert [2019]

DEWALT D180004 Bi-Metal.
Irwin Tools Wooden Door Lock Installation Kit, 3111001.
Milwaukee 49-22-4073 Hole Saw – Door Lock Kit with Installation Guide.
DEWALT D180005 14 Piece Master Hole Saw Kit.
Disston E0101949 Blu-Mol Lock Installation Kits Professional Bi-Metal Lock Kit.

How is deadlock measured?

To check the size of your existing lock without removing it from the door measure the distance from the keyhole to the edge of the door. If the distance is 45mm you will need a 64mm/2.5" mortice lock, If the distance is 57mm you will need a 76mm/3" mortice lock.

What does 60mm backset mean?

'Backset' is the distance from the front of the lock to the centre of the spindle as shown here. Almost ALL domestic mortice locks and tubular latches are supplied with either a 44mm or 57mm backset length. These equate to case sizes of 2.1/2" or 3" in imperial measurements. Commercial (DIN) lockcases are 60mm backset.

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 thick is an interior door?

Thickness. Interior door thickness is an important consideration when it comes to installing doorknobs and hinges. The thinnest interior door you can buy is 1 3/8 inches thick, and the thickest is 1 3/4 inches thick, which is the same as an exterior door. Intermediary thicknesses include 1 1/2 and 1 5/8 inches.