Single Vs Double Cylinder Door Locks

Single cylinder deadbolts are the commonest type in most homes.

Single vs double cylinder door locks.

The primary difference between single cylinder vs. Double cylinder locks contain two cylinders. Single cylinder use a keyed on the outside and a thumb turn on the inside. Double cylinder locks is the number of cylinders.

A thumb turn opens it from the inside. Single and double cylinder door locks provide options for exterior doors. Single sided deadbolts have a knob on the inside that is used to unlock and lock them from the inside. A double cylinder deadbolt has no thumb turn.

Single cylinder locks are more common than double cylinder. This difference has one primary trade off. This is the main difference between these two types of deadbolts. A simple thumb turn locks and unlocks the door.

Instead the door is unlocked with a thumbturn style lever. It is found on front or back exterior doors and requires a key to open it from outside. No one can break the glass and operate the thumb turn to enter. On the other hand single sided deadbolts require key to unlock from the outside only.

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. A single cylinder has a keyed entry on one side while a double cylinder has keyed entries on both sides. It means that you will need to use the key to unlock the door no matter which side you are on.

Single cylinder locks are usually less costly to purchase and install than double cylinders. Double cylinder door locks. The difference is that you need to lock the door from both inside and outside with the key. 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.

Just like single door locks you will also require to use the key to lock the door. This means that a key will be required to turn the lock both on the inside of the door and the outside. The single cylinder deadbolt is the most common. This is useful for doors with glass panels or near windows.

This prevents intruders from entering and exiting easily. Double cylinder deadbolts are locks that require a key to open from both the inside and outside. The two main reasons for this are efficiency and economy.