Single-point locking

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Single-point locking is a locking system in cabinet doors where locking takes places only at the point halfway up the edge of the door, where the latch engages with the doorjamb. The term is most often used in items like lockers, where it is contrasted with the much more secure three-point locking, which uses movable rods to secure the top and bottom of the door when the door is locked, and the term is not normally used in situations where single-point locking is the only option normally found.

Typically, box lockers^[1] (that is, with 4 or more tiers) use single-point locking, unless they are ordered with three-point locking as an optional extra, whereas full-length (single-tier) lockers most often come with three-point locking as standard. The reason for this is that, for some situations, single-point locking is considered adequately secure with smaller doors, because those are not as easy to force open as larger doors of otherwise-similar design. High-security models of tiered lockers, along with being constructed of thicker steel, may also have three-point locking, however many tiers are involved.

In Australia, cabinets cannot be legally used for storing firearms if they have only single-point locking—three-point locking is required by law, as part of the crackdown on gun storage after the Port Arthur massacre in Tasmania.

References

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^ "Metal Lockers | Jorgenson Lockers".

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Fundamental concepts	Access control Authentication Key control Key duplication Key relevance Master keying Password Physical security Rekeying
Lock hardware	Bitting Interchangeable core Key blank Key code Key retainer Lockrod Lockset Bored cylindrical lock Mortise lock Rim lock Single-point locking Three-point locking
Keys	Berlin key Car key Keychain Skeleton key Smart key
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Other lock types	Bicycle lock Bramah lock Chubb detector lock Child safety lock Kensington Security Slot Latch Luggage lock Power door locks Protector lock Real-estate lock box Steering-wheel lock The Club
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Miscellaneous	Glossary of locksmithing terms John M. Mossman Lock Museum Key to the City Lock Museum Lock Museum of America Musée de la Serrure Puzzle lock
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Single-point locking

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Single-point locking

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