Harts Door Locks M 90

Bronze 90 brown 2 chrome 34 gold 5 nickel 94 silver 21 stainless steel 8 lock function.
Harts door locks m 90. Combo pack 49 deadbolts 273 electronic keypad 19 hook bolt latch locks 1 keyed handlesets 1 project pack 3. 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. Keyless door locks 93 compare. As a resort owner i have installed over 1000 worth of locks over the last two years.
Marks usa has been a primary manufacturer of ornamental iron storm door locks for many years. During that time many innovative improvements were developed to increase the reliability and ease of installation. With all installations there are minimum and maximum measurements required for your lock to be compatible. 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.
The main parts of a door lock are the cylinder bolt box and strike plate. 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. Schlage locks are designed to fit all standard doors with a 2 3 8 or 2 3 4 backset. 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.
Understanding door lock parts.