Single Vs Double Cylinder Door Locks

Single cylinder deadbolts are the commonest type in most homes.

Single vs double cylinder door locks.

This means that a key will be required to turn the lock both on the inside of the door and the outside. It means that you will need to use the key to unlock the door no matter which side you are on. Double cylinder locks use a key on both sides. Single sided deadbolts have a knob on the inside that is used to unlock and lock them from the inside.

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. No one can break the glass and operate the thumb turn to enter. A simple thumb turn locks and unlocks the door.

This is useful for doors with glass panels or near windows. Just like single door locks you will also require to use the key to lock the door. This prevents intruders from entering and exiting easily. On the other hand single sided deadbolts require key to unlock from the outside only.

A double cylinder deadbolt has no thumb turn. Double cylinder locks contain two cylinders. Double cylinder door locks. This difference has one primary trade off.

Double cylinder deadbolts are locks that require a key to open from both the inside and outside. 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. A thumb turn opens it from the inside. Single cylinder locks are usually less costly to purchase and install than double cylinders.

Double cylinder locks is the number of cylinders. Single and double cylinder door locks provide options for exterior doors. Instead the door is unlocked with a thumbturn style lever. Single cylinder locks are more common than double cylinder.

It is found on front or back exterior doors and requires a key to open it from outside. The single cylinder deadbolt is the most common. The two main reasons for this are efficiency and economy. A single cylinder has a keyed entry on one side while a double cylinder has keyed entries on both sides.

Single cylinder locks have only one lock cylinder as the name implies. While the single cylinder deadbolt only features a locking mechanism requiring a key on one side the double cylinder deadbolt has it on both. Single cylinder use a keyed on the outside and a thumb turn on the inside.