What is cross bore of door?
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Furthermore, 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.
One may also ask, 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.
Considering this, 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.