Each type of lock is built differently but let s take a look at the anatomy of a typical door lock usually used in homes or light commercial buildings.
Harts door locks m 90.
Understanding door lock parts.
The main parts of a door lock are the cylinder bolt box and strike plate.
Innovations includes the uni lock model with single screw assembly elimination of threaded swivel spindles in favor of the more secure thru bolted design helper springs in lever rose.
I had a door with a mortise type lock that a previous owner butchered by putting in standard door knobs so i decided to go back with a mortise product.
During that time many innovative improvements were developed to increase the reliability and ease of installation.
Bronze 90 brown 2 chrome 34 gold 5 nickel 94 silver 21 stainless steel 8 lock function.
Schlage locks are designed to fit all standard doors with a 2 3 8 or 2 3 4 backset.
Marks usa has been a primary manufacturer of ornamental iron storm door locks for many years.
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With all installations there are minimum and maximum measurements required for your lock to be compatible.
It s useful for any diy er to know how things around the home operate.
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.
Combo pack 49 deadbolts 273 electronic keypad 19 hook bolt latch locks 1 keyed handlesets 1 project pack 3.