Mortise locksets derive their name from the word "mortise:, which needs to be created in a door in order to install the lockset. Mortise is actually is a deep rectangular cavity created on the edge of a door. Once the mortise is created, the lockset case is installed that is filled with levers, cams and springs.

Mortise lock is ideal for all types of household doors. These locksets consist of the working of knob, lever or grip handle, latch and deadbolt in a single unit. In a mortise set, the knob is usually interconnected with a security bolt. These locks need to be sized for particular applications. Mortise lock generally comes with a metallic faceplate and strikeplate. They come either with a single latch or double latches.

There is a variety of mortise lock known as pocket door mortise lock, which is used to lock sliding doors. Mortise locks are little difficult to install and their installation require skill and advanced tools.

Materials used in Mortise Locks

Mortise lock is usually cast of strong and durable materials like:

• Brass
• Iron
• Steel

Mortise door locks available in highly polished solid brass finish, hammered copper finish, antique finish, polished chrome finish, etc.

Advantage of Mortise Lock

• By using a mortise lockset, the deadbolt and the door latch can be operated by inserting key into just one slot.
• Turning the key just 90 degrees past a full turn, we can unlock both the latch and the deadbolt.
• In most cases, exterior mortise locksets have massive one inch throw deadbolt lock that forms an integral part of the lockset.
• There are some latest models of mortise latches that features a special interior emergency release. This feature allows the operation of the deadbolt and door latch simultaneously in case of a fire or other emergency.