Single Vs Double Cylinder Door Locks

Double cylinder locks use a key on both sides.

Single vs double cylinder door locks.

This is the main difference between these two types of deadbolts. The two main reasons for this are efficiency and economy. This means that a key will be required to turn the lock both on the inside of the door and the outside. The primary difference between single cylinder vs.

This prevents intruders from entering and exiting easily. The single cylinder deadbolt is the most common. A single cylinder has a keyed entry on one side while a double cylinder has keyed entries on both sides. 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. Double cylinder locks is the number of cylinders. It is found on front or back exterior doors and requires a key to open it from outside. This difference has one primary trade off.

On the other hand single sided deadbolts require key to unlock from the outside only. Just like single door locks you will also require to use the key to lock the door. Single cylinder locks have only one lock cylinder as the name implies. They are also more convenient since there s no need for a key to operate the lock from the inside.

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. Single cylinder locks are more common than double cylinder. The number of cylinders inside a lock translates to the number of keyed entries on the door. Double cylinder door locks.

Double cylinder locks contain two cylinders. The difference is that you need to lock the door from both inside and outside with the key. 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. A simple thumb turn locks and unlocks the door. No one can break the glass and operate the thumb turn to enter. Single cylinder use a keyed on the outside and a thumb turn on the inside.

This is useful for doors with glass panels or near windows. Single cylinder deadbolts are the commonest type in most homes. Single cylinder locks are usually less costly to purchase and install than double cylinders.