Tubular latch or latch mechanism the cylinder driven through the edge of the door with a spring loaded latch that keeps the door closed or allows it to open.
Door handle parts terminology.
Other door hardware terms.
It is the door adjacent to the main door in the system.
The leaf of a pair of doors double doors that opens first and has the locking or latching device the other door is called the inactive door and opens when flush bolts or surface bolts are released.
Beyond parts there are a few more terms you might find helpful when it comes to purchasing and installing your door hardware.
Bottom rail the bottom portion of the door.
Brick molding a molding used on an exterior door typically applied to prehung units put on the outside of the frame as a stop or to hide brick siding stucco or concrete.
You can see the bore hole that is 2 1 8 in diameter.
The door prep image seen to the left applies to any standard tubular lock or latch set including interior door knobs door levers deadbolts entry door handle set and door handle plates.
Inactive door is fixed while the active panel moves open and close.
A strip of steel or wood which covers or closes the gap between the edges of a pair of doors some types overlap others meet at the center line of the gap.
The backset is the distance from the edge of the door to the center line of the prepared cross bore hole drilled to install most locks.
This post has two door hardware terms that are good to know.
Door hardware parts terminology active inactive door panel referring to french door and hinged patio door systems.