This is the part of the lock that moves in and out and rests in the carved out part of the door frame known as the box when the door is locked keeping it in place.
Door lock cylinder types.
From the outside of the door a key must rotate the cylinder to retract the deadbolt.
The double cylinder is also mounted internally.
Single cylinder locks are far more prevalent but some homeowners opt to use double cylinder deadbolts for the added.
Another type of cylinder most of us use every morning when heading out the door is the deadbolt cylinder.
Cylindrical lever locks can be operated with a key or through the combined use of a key and a push button.
Type of front door lock back door lock sometimes internal doors a euro cylinder lock is commonly fitted to upvc composite doors and is used with multi point locking systems and are also fitted to some mortice deadlocks and sashlocks on timber or aluminium doors.
Get durable cylinder locks from grainger to help keep people equipment and goods secure.
You will likely see these in sliding doors that can only be locked and unlocked from the inside.
Single cylinder double cylinder and single cylinder with a thumb turn.
There are three varieties of these locks.
Some exterior door locks are designed to automatically lock when the door closes.
It s a reflection of the durability of the internal door lock types not the amount of security they provide.
For instance push button lever locks are another popular common commercial door lock type but not all of them utilize a cylinder.
Types of cylinder locks.
This lock is the most common deadbolt type.
Find lockset cylinders and assigned or shared use keypad locks.
It is mounted inside the door and has a twist knob in the interior and key cylinder on the exterior of the door s face.
By far the most recognisable and easily replaced cylinder lock on the market is the euro cylinder lock.
Locks that are grade 1 offer the highest level of strength and security.
It has a circular head that houses the lock mechanism and an oval bottom.
The relevant difference between these two deadbolt door lock types is that the single cylinder has a keyed cylinder on one side of the door whereas the double cylinder makes use of a keyed cylinder on both sides of the door.
It s defining feature is its shape see image left.
Types of cylinders deadbolt cylinders.
The inside of a deadbolt can be operated with a thumb turn or key depending on which option you order.