Single Vs Double Cylinder Door Locks

Single cylinder deadbolts are the commonest type in most homes.

Single vs double cylinder door locks.

Single cylinder use a keyed on the outside and a thumb turn on the inside. Double cylinder locks is the number of cylinders. Single cylinder locks are usually less costly to purchase and install than double cylinders. This is the main difference between these two types of deadbolts.

A single cylinder has a keyed entry on one side while a double cylinder has keyed entries on both sides. A simple thumb turn locks and unlocks the door. Double cylinder door locks. Instead the door is unlocked with a thumbturn style lever.

Double cylinder deadbolts are locks that require a key to open from both the inside and outside. It means that you will need to use the key to unlock the door no matter which side you are on. No one can break the glass and operate the thumb turn to enter. A thumb turn opens it from the inside.

Double cylinder locks use a key on both sides. The primary difference between single cylinder vs. Single and double cylinder door locks provide options for exterior doors. Single cylinder locks have only one lock cylinder as the name implies.

The two main reasons for this are efficiency and economy. Single cylinder locks are more common than double cylinder. This difference has one primary trade off. They are also more convenient since there s no need for a key to operate the lock from the inside.

It is found on front or back exterior doors and requires a key to open it from outside. 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. Single sided deadbolts have a knob on the inside that is used to unlock and lock them from the inside.

On the other hand single sided deadbolts require key to unlock from the outside only. The number of cylinders inside a lock translates to the number of keyed entries on the door. Double cylinder locks contain two cylinders. While the single cylinder deadbolt only features a locking mechanism requiring a key on one side the double cylinder deadbolt has it on both.

This prevents intruders from entering and exiting easily. This is useful for doors with glass panels or near windows. The single cylinder deadbolt is the most common.