What Is A DeadBolt Lock?

By definition a deadbolt lock is “a lock bolt that is moved by turning a knob or key without the action of a spring.” In simple words it is a lock that can be opened only through a key or knob and cannot be easily battered or bored. They tend to resist any forced entry into the house and thus offer a good security to the house.

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There are 3 main types of deadbolt locks:

  • Single Cylinder Deadbolt
  • Double Cylinder Deadbolt
  • Keyless Deadbolt

A single cylinder deadbolt is a simple deadbolt lock which is opened or closed from one side using a key while there is a thumb piece in the interior side that turns to operate the lock. These are mainly used in front doors with no windows in them. If a window was present an intruder could smash the window and open the lock.

A double cylinder deadbolt is a deadbolt lock that is opened or closed through key from both the sides. These can be used where there is a breakable glass inlaid into the door. However this can become a hindrance in an emergency situation.

A keyless deadbolt is the easiest to operate deadbolt lock, as it can simply be opened by a fingerprint scan or password and can be closed with a button or knob.


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British Standards Locks

Choose a locksmith Poole specialist who uses locks that conform to British Standards (BS3621). Most insurance agencies wont pay out after a break in or theft if you don’t have BSA locks in place. This is because of the way that there are locks readily available which can be produced using shabby and unreliable materials that can be snapped or opened, putting your home security at danger.

If a product has been certified by the British Standard Institute for meeting the required security standards, they will display the British Standard Kite Mark on the packaging and the product (like the image below).

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