Lock Types

An interchangeable core or ic is a compact keying mechanism in a specific “small format” figure-eight shape. Unlike a standard key cylinder, which is accessible for combinating only via locking device disassembly, an interchangeable mechanism relies upon a specialized “control” key for insertion and extraction of the essential (or “core”) combinating components.

A tubular lock pick is a specialized lockpicking tool used for opening a tubular pin tumbler lock. Tubular lock picks are all very similar in design and come in sizes to fit all major tubular locks, including 6, 7, and 8-pin locks. The tool is simply inserted into the lock and turned clockwise with medium […]

A combination lock is a type of padlock in which a sequence of numbers or symbols is used to open the lock. The sequence may be entered using a single rotating dial which interacts with several discs or cams, by using a set of several rotating discs with inscribed numerals which directly interact with the […]

A magnetic-coded lock is a lock device that uses pins in combination with magnets to prevent entry by either non-matching keys by teething or magnetic polarity. Magnetic-coded locks encompass knob locks, cylinder locks, lever locks, and deadbolt locks as well as applications in other security devices.

Three-point locking is a locking system installed in cabinet or locker doors to enable more secure locking. Whereas in single-point locking, the door on a cabinet locks only at the point where the key is turned, halfway up the edge of the door, three-point locking enables the top and bottom of the door to be […]

Lock bumping is a lock picking technique for opening a pin tumbler lock using a specially crafted bump key. A bump key must correspond with the target lock in order to function correctly.

For the 1957 film, see Time Lock. A time lock (also timelock) is a part of a locking mechanism commonly found in bank vaults and other high-security containers. The time lock is a timer designed to prevent the opening of the safe or vault until it reaches the pre set time, even if the correct […]

The Protector lock (also called the “moveable lock“) was an early 1850s lock design by renowned American locksmith Alfred Charles Hobbs, the first man to be able to pick the six-levered Chubb detector lock at the Crystal Palace Exhibition in the year 1851, which was created with the intent of being a lock that could […]

A time-delay combination lock is most commonly a digital, electronic combination lock equipped with a delay timer that delays the unlocking of the lock by a user definable delay period, usually less than one hour. Unlike the time lock, which unlocks at a preset time (as in the case of a bank vault), time-delay locks […]

A warded lock is a design that works on the principle of obstructions (known as wards) on or within the keyway to stop the wrong key from entering and rotating the locks. Warded locks don’t have any other active components besides a spring or lever, which activate the locking bolt when the right key is […]