Types of Locks

        Pivot Door: Latch and Deadbolt

When it comes to safety, knowing about the diverse assortment of locks becomes important. Due to the vast variety of locks we’ll look at the ones you’ll encounter the most and hereafter you can tweak your security accordingly.



     Insurance Padlock

These are the most common and easy to recognise locks. Their most convenient feature is the fact that they aren’t attached to anything, are portable and easy to carry and transfer. There are several varieties of padlocks to choose from if you’re going to buy one:

  • Combination locks are those which have numbers on them and are opened by entering the correct digits.
               Discus Padlock
  • Key-based locks work through the operation of a key and can be one of two types, those that can be re-keyed and those that can’t. The locks that cannot be re-keyed will be locked permanently if you lose the key that opens them as you cannot replace the key.
  • Key-retention locks are those which will not allow the key to be removed when the padlock is opened.
    Shrouded shackle acts to protect the lock from bolt cutters and is essentially an extension of the body of the lock.



Knob Lock

These are the characteristic locks found in residences and business buildings and are largely installed on external doors. They come in three varieties:

  • Single cylinder style (thumb turn) locks are designed in a way that there is a rosary style turning knob on the inside and a standard key cylinder on the outside of the lock. When installing this makes sure the door is not close to a window or it would make easy pickings.
  • Double cylinder style locks are designed to have a cylinder on both sides. The installation of this lock would mean that you would need to use a key to open the door from the inside as well as outside.
  • Lockable thumb turn locks have a rosary style knob in the inside but it can also be locked if needed.


          Night Latch Deadlocking Type

Doorknob Style Locks

These are usually installed in external doors of residences in addition to dead bolts, or can be installed on their own, which is highly inadvisable as they do not provide much security on their own. This is because the cylinder can easily be broken off or bypassed by pliers, making it a huge security risk.

Lever Handle Locks

These are generally installed for internal doors in business and office buildings. They provide little security and their main purpose is to increase accessibility.


                  Cam Lock

 Cam Locks

These are simple locks used on cabinets and other assets categorised as as “low security”. They also come in a variety of kinds and can use various lengths of tailpieces to interface with other means of security. They are able to rotate clockwise or counterclockwise at either 90 or 180 degrees.

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