Common Types Of Locks

Knob locks are the most common lock and are the most commonly used lock in your home. These locks have knobs on both sides, one side has the lock switch and the other side has the keyhole. When changing knob locks it is important to know which side the lock is on to know to get a right hand or a left hand lock. Since the locking mechanism is the lock it is easy to bust the lock by breaking the handle by smashing it with a rock or wrench or something similar.

There are 4 types of deadbolt locks. There’s the single deadbolt which is the most common for outer doors. This lock has the keyhole on the outside of the door and a thumbturn lock on the inside. Next there is double deadbolt locks. This lock contains a cylinder lock on both sides of door and requires a key on both sides. There are Jimmy proof locks which are popular with double doors. The deadbolt interlocks with the jamb bracket making removing the lock from the outside almost impossible.

A combination lock consists of a 3 number combined with a few turns or some combination locks have a letter sequence. You typically see these locks on school lockers or possibly safes.These locks can be easily snipped with bolt cutters. Pad locks on the other hand can be similar in shape as combination locks. Pad locks require a key to open it instead of a combination.