Types of Door Locks

  • By Admin
  • 11 Jul, 2017

Knob Locks

Knob locks are found throughout residential units as the primary locking system for both interior and exterior doorways. Both sides of the lock have a rotatable knob that is turned to open the door. One knob contains a key cylinder that controls the locking mechanism. While knob locks are popular, they are very easy to break into either with brute force or the use of lock picks. They should always be accompanied by a second locking mechanism for additional security.

Lever-Handle Locks

Lever-handle locks are common in commercial buildings. Their structure is similar to knob locks, but instead of spherical knobs the handles are long levers that can swing up or down to release the door bolt. This makes them easier to open for nearly all residents and potential customers. Some models include a system that prevents the levers from being moved when the locking mechanism is activated.

Deadbolts

Deadbolts are the most common front door lock in homes and businesses alike. Most are used in conjunction with a knob lock or other mechanism to provide an additional layer of security. Deadbolts use a rotating cylinder or thumbturn to drive a solid metal bolt into the door frame. The thumbturn is located on the interior side of the door, with a keyhole facing outside. These locks are particularly resilient to brute force attempts but can be opened by an experienced lock picker, given enough time.

Alternative varieties include:

  • Double deadbolt: Both the inside and outside faces of the lock feature a keyhole. A key is locked to open or close the door from either side.
  • Jimmy-proof deadbolt: Commonly found in older apartment and double doors, this lock uses vertical bolts that fall into a strike plate instead of the standard single bolt that slides horizontally into the doorjamb.

Keyless Entry Pads

In our increasingly digital world, electric locks are becoming more common. Most electronically controlled locks are simply deadbolts that require a code instead of a physical key. Keyless entry pads usually require a particular PIN, but more expensive models use a card or finger-scan system to validate entry. All keyless entry pads should be installed by a professional technician to ensure the electronic mechanisms work as intended.

Door Hardware and Locks in Houston

When it comes to the safety of your home or business, you want options that fit your budget and security needs. Dixie Security Solutions offers several hardware and lock products designed to protect your property, minimize your security worries and improve your peace of mind. Founded in 1974 by Harry L. Rushing, we’re dedicated to providing Houston and the surrounding Southeast Texas area with a comprehensive array of prompt, reliable locksmith and security services. Contact us today for more information or to schedule service.
how to remember to lock your doors infographic

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Knob locks are found throughout residential units as the primary locking system for both interior and exterior doorways. Both sides of the lock have a rotatable knob that is turned to open the door. One knob contains a key cylinder that controls the locking mechanism. While knob locks are popular, they are very easy to break into either with brute force or the use of lock picks. They should always be accompanied by a second locking mechanism for additional security.
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