Are mortise door locks universal? Yes, a mortise lock set and mortise door lock is universal and can easily be used to replace most other lock sets, especially on an older door.
Whether your lock is broken and needs replacing or you're just ready for an updated look, mortise locks are generally simple to remove and replace; standard mortise lock replacement parts made by Emtek, Juralco, Pado, Papaiz or new-style Wright are easily interchangeable.
There are two sizes of mortice locks: 21/2” and 3”. If you are installing a mortice lock to a door with a narrow frame, or any door for that matter, it's very important to know what size lock you need. The size of the mortice lock refers to how far the keyhole will be from the edge of the door.
If the measurement is 45mm, you need a 64mm (2.5") mortice lock. If the measurement is 57mm, you need a 76mm (3") mortice lock. These measurements are approximate. A Mortice Sashlock is more likely to be used on back doors and internal doors.
There are many different types of mortice cylinder locks, including three lever mortice locks and five lever mortice locks. The number of levers in a mortise lock tells how many points the door locks into the frame. The more levers it has, the more secure it will be.
We've extensively researched this topic and here's what we found out. Yes, you can replace a mortise lock with a cylindrical lock assembly. You'll just have to remove the mortise lock first and fill the excess space that might appear once the cylindrical lockset is in place.
Whilst not all locks follow the same template, nine times out of ten, other measurements can be correctly assumed based on the case depth. There are many different case depths but the most common sizes are 64mm and 76mm. This is the metric equivalent to 2.5" and 3" lock cases from back in the imperial days.
5 lever mortice deadlocks are a type of lock that is installed into the door material. The lock can be locked and unlocked using a key, and it has 5 levers to make it more secure. 5 lever mortice dead locks are available in a range of finishes, it can be used on both internal and external doors throughout a building.
You can check this by looking on the faceplate of the lock, the number of levers should be stamped there. For optimum security the 5 lever mortice lock should be Kitemarked and conform to BS3621. If it is, these details should be stamped on the lock faceplate.
Examine the length of the door that lines up with the strike plate. More specifically investigate where the deadbolt and/or latch bolt extends from. If the size of the faceplate is approximately the size of your hand then that is an indication that it uses a mortise cylinder.
In a mortise lock you can unlock both the latch and deadbolt locks by turning only one lever, but in cylindrical locks you have to lock and unlock the deadbolt and the latch separately.
Kwikset/Schlage 1-1/8" 5 Pin Mortise Cylinder.
Unlike their counterpart, cylindrical locks are much easier to install. With a mortise lock you have to cut out part of the door to install the lock correctly. There's none of that with a cylindrical lock. In fact, on average, a cylindrical lock only takes between 15 and 30 minutes to install.
5 lever locks are also generally sold in two sizes: 2.5 inch and 3 inch case sizes. These translate to 44mm and 57mm backset measurements. When choosing the right size for your external door, you will need to consider these factors: The thickness of your door.
Mortice locks can be known as a Deadlock or Sashlock. They both have essentially the same operating system, with the distinguishable difference between them being the use of a handle that operates a latch within a sashlock.
The length of a mortise cylinder is determined from underneath the head to the outside of the cam (see illus below). Mortise cylinders should reach the center of a door but should not screw in far enough to touch the cylinder or turn knob on the reverse side of the locking unit.
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.
A 2 lever lock offers key differs between 18 and 20. This means that lock manufacturers make 20 different keys before they can start the process to duplicate the same 20 keys.
Mortise locks can be replaced with standard cylinders. Mortise lock is the name given to the large, rectangular locks that fit into a slot, or "mortise" in the edge of the door. These locks were common at the turn of the twentieth century and are still in use today.
Resolution: Typical installation by an experienced Schlage L lock installer on a door correctly prepped for the Schlage L-Series function could take 10 to 20 minutes. Many outside variables can change the amount of time needed.
A mortise lock (also spelled mortice lock in British English) is a lock that requires a pocket—the mortise—to be cut into the edge of the door or piece of furniture into which the lock is to be fitted.