What is door cross bore?

Bore holes are the holes in the door that house your door hardware and allow it to be installed. The cross bore is the main hole drilled into the face of the door where the body of the lock (chassis) is installed.

What is a deadbolt bore?

Before getting to the answer, let us identify first what is a deadbolt bore hole. This is the hole where you mount the doorknob. The other hole, which is the cross bore, is where you install the latch. Different types of door locks influence the size of the holes.

How do you measure a cross bore on a door?

– The distance from the edge of the door to the center line of the crossbore should measure 2-3/8” or 2-3/4”. – The hole on the edge of the door, where the deadbolt or latch enters, should measure 1” in diameter.

What does single bore door mean?

The single bore hole is how most doors are commonly prepped. This is the large diameter hole where the lock is mounted and the standardized size of this hole is 2 1/8″. Through the edge of the door there is a 1″ cross bore that extends from the edge of the door through the bore hole.

What do you call the door latch?

The Bolt: Also called the latch, the bolt engages the inside of the door. There is a piece of metal that extends from the door into the frame itself. This bolt is used to hold it closed. The Box:The bolt extends from the cylinder into a hole that is designed to fit the bolt perfectly.

What is double bore door?

Simply put, the top hole in a double bore hole door is for your deadbolt and the bottom is for your knob or lever. This is where smart locks come into play. When it comes to choosing your deadbolt, you’ll need to decide between mechanical, electronic or smart.

What size hole do I drill for door latch?

2 1/8″
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. This cross bore is where the latch is installed. In addition to the two cross bores, a door can be prepped for one of 3 different types of latches.

What is the difference between bore and cross bore door handles?

The bore hole is the large hole where the actual door knob is inserted and mounted. The cross bore is the small hole on the edge of the door. The door latch is inserted into the cross bore first.

What is a cross bore lock?

a lock for a door prepared with one or more. cross-bores and one or more edge-bores. A cross bore is a hole bored or drilled into the face of the door.

What is a cross bore in construction?

Always assume that obstructions involve a cross bore. A cross bore is defined as the intersection of an existing underground utility or underground structure by a second utility installed using trenchless technology. This results in an intersection of the utilities, compromising the integrity of either or both utility or underground structure.

What is an edge bore on a door?

The edge bore is a hole bored or drilled into the edge of the door so that it intersects the cross bore. There are some important features about the cross bore that need to be considered, especially if you are replacing an existing lock.