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.

Single vs double cylinder door locks.

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. Double cylinder door locks. A single cylinder has a keyed entry on one side while a double cylinder has keyed entries on both sides.

Single sided deadbolts have a knob on the inside that is used to unlock and lock them from the inside. Single and double cylinder door locks provide options for exterior doors. This is useful for doors with glass panels or near windows. Single cylinder locks have only one lock cylinder as the name implies.

Instead the door is unlocked with a thumbturn style lever. The primary difference between single cylinder vs. Single cylinder use a keyed on the outside and a thumb turn on the inside. A simple thumb turn locks and unlocks the door.

A thumb turn opens it from the inside. Double cylinder locks contain two cylinders. It means that you will need to use the key to unlock the door no matter which side you are on. On the other hand single sided deadbolts require key to unlock from the outside only.

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. 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.

The single cylinder deadbolt is the most common. 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 double cylinder deadbolt has no thumb turn.

Double cylinder locks is the number of cylinders. Single cylinder deadbolts are the commonest type in most homes. 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.

The difference is that you need to lock the door from both inside and outside with the key. The number of cylinders inside a lock translates to the number of keyed entries on the door. Just like single door locks you will also require to use the key to lock the door.