Locksmith glossary
Short, plain-English definitions of the terms you'll meet when choosing a locksmith provider in Singapore.
- What is a biometric fingerprint lock?
- A biometric fingerprint lock is a digital access control device that scans and matches a user's fingerprint against stored templates to grant or deny entry without a key or code.
- What is a combination lock dial mechanism?
- A dial combination lock mechanism is a set of rotating wheels inside a lock that aligns to a specific code sequence, opening the lock when all wheels are properly positioned.
- What is a deadbolt?
- A deadbolt is a lock mechanism using a solid metal bolt that extends into the door frame without a spring, requiring a key or thumb turn to retract and offering stronger security than a spring latch alone.
- What is a digital lock PIN code pad?
- A PIN code pad is the numeric keypad interface on a digital lock that allows users to unlock a door by entering a memorized numeric code rather than using a physical key, often combined with biometric or card-based access on the same device.
- What is a euro cylinder lock?
- A euro cylinder lock is a standardized keyed lock mechanism with a cylindrical profile, commonly fitted to HDB and condominium doors in Singapore, typically measured between 70-100 mm in total length.
- What is a fire rated safe?
- A fire rated safe is a secure container built to withstand high temperatures and flames for a specified duration, protecting documents and valuables from fire damage.
- What is a Gateman lock?
- Gateman is a Korean manufacturer of digital locks commonly used on residential and commercial gates in Singapore, typically supplied as a push-pull mortise lock body with electronic keypad or card-based access.
- What is a key control policy?
- A key control policy is a documented system that tracks who holds keys to a property and restricts the duplication or distribution of keys without authorization.
- What is a master key system?
- A master key system is a lock arrangement where one master key opens a series of individual locks, each of which can also be opened by its own unique key.
- What is a mortise lock?
- A mortise lock is a lock body installed into a rectangular pocket (mortise) cut into the edge of a door, with the operating mechanisms and bolt housed entirely within that pocket.
- What is a pick resistant cylinder?
- A pick resistant cylinder is a lock core designed with security pins, tight manufacturing tolerances, and anti-manipulation features to resist picking attacks and unauthorized entry.
- What is a pin tumbler lock?
- A pin tumbler lock is a mechanical locking mechanism that uses spring-loaded pins of varying heights to align with a key's cuts, allowing only the correct key to turn the plug and operate the lock.
- What is a restricted keyway?
- A restricted keyway is a patented key profile designed so that only authorised dealers and locksmiths can duplicate or manufacture keys, giving property owners tighter control over who holds copies.
- What is a rim lock?
- A rim lock is a cylindrical or deadbolt lock mounted on the surface of a door or gate rather than recessed into the door frame, commonly used on metal grilles and gate doors in Singapore.
- What is a safe burglary rating?
- A burglary rating is a standardized grade that indicates how much resistance a safe offers against forced entry methods like drilling, prying, and cutting.
- What is an auto relocking feature?
- An auto relocking feature is a security function on digital locks that automatically re-engages the deadbolt after a preset duration, typically seconds to minutes, without requiring manual intervention.
- What is an immobiliser key (transponder key)?
- An immobiliser key is a car key containing a microchip that transmits a unique code to the vehicle's immobiliser system. Without the correct signal, the engine will not start even if the physical key fits the lock.
- What is an RFID card access lock?
- An RFID card access lock is an electronic entry system that reads radio-frequency identification from a card or fob held near the reader to unlock a door, often combined with PIN codes or biometric factors for added security.
- What is Bluetooth smart lock connectivity?
- Bluetooth smart lock connectivity allows a lock to communicate with a smartphone or mobile device over short-range wireless signals, enabling app-based unlocking without requiring an internet connection or separate hub.
- What is car key fob programming?
- Car key fob programming is the process of syncing a remote key fob to a vehicle's onboard computer system so it can operate the door locks, trunk release, and other remote functions.
- What is lock bumping?
- Lock bumping is a technique using a specially cut "bump key" to force open pin tumbler locks by striking the key to displace the pins and disengage the plug.
- What is safe lock bolt work?
- Safe lock bolt work refers to the repair, maintenance, and operation of the locking bars and bolts inside a safe door that extend into the frame to secure it closed.
- What is the difference between a latch bolt and a deadbolt?
- A latch bolt is a spring-loaded mechanism that automatically retracts when a door closes, while a deadbolt is manually operated and must be engaged with a key or thumb turn, making it significantly more secure against forced entry.
- What is the difference between mortise and rim digital locks?
- Mortise digital locks are embedded inside the door, while rim digital locks are mounted on the surface; each suits different door types and installation requirements.