Single Vs Double Cylinder Door Locks

Just like single door locks you will also require to use the key to lock the door.

Single vs double cylinder door locks.

While the single cylinder deadbolt only features a locking mechanism requiring a key on one side the double cylinder deadbolt has it on both. It is found on front or back exterior doors and requires a key to open it from outside. A single cylinder has a keyed entry on one side while a double cylinder has keyed entries on both sides. Single cylinder deadbolts are the commonest type in most homes.

The primary difference between single cylinder vs. Doors outfitted with single cylinders are unlocked with a key from the outside but do not require a key for unlocking from the interior of the property. Double cylinder deadbolts are locks that require a key to open from both the inside and outside. Double cylinder door locks.

This is the main difference between these two types of deadbolts. Instead the door is unlocked with a thumbturn style lever. A thumb turn opens it from the inside. Single sided deadbolts have a knob on the inside that is used to unlock and lock them from the inside.

Double cylinder locks contain two cylinders. A simple thumb turn locks and unlocks the door. Single cylinder use a keyed on the outside and a thumb turn on the inside. Single cylinder locks are usually less costly to purchase and install than double cylinders.

This difference has one primary trade off. This means that a key will be required to turn the lock both on the inside of the door and the outside. Single cylinder locks are more common than double cylinder. Single and double cylinder door locks provide options for exterior doors.

The two main reasons for this are efficiency and economy. Double cylinder locks is the number of cylinders. The number of cylinders inside a lock translates to the number of keyed entries on the door. They are also more convenient since there s no need for a key to operate the lock from the inside.

Double cylinder locks use a key on both sides. This is useful for doors with glass panels or near windows. This prevents intruders from entering and exiting easily. The single cylinder deadbolt is the most common.

A double cylinder deadbolt has no thumb turn. It means that you will need to use the key to unlock the door no matter which side you are on. The difference is that you need to lock the door from both inside and outside with the key.