Moving into a new unit
When the number of past keys cannot be confirmed, you can evaluate the replacement of the lock cylinder or the entire set of door locks.
Moving, lost keys, aging locks, security upgrades
Lock replacement and lock cylinder replacement services
Changing the lock does not necessarily require replacing the entire set of door locks. You should first check the door thickness, lock cylinder size, lock body, deadbolt and door frame, and then choose to replace only the lock cylinder, repair the lock body or replace the entire set of locks based on risk and budget.
Common lock replacement needs
Key lost or stolen
The processing priority is determined based on the location of loss, whether the key has an address and security risks.
Lock wear
The key is difficult to turn, the lock bolt does not rebound smoothly, or the door frame is displaced. You should first determine whether the problem is with the lock or the door body.
Common lock replacement and door lock types in Hong Kong
101 Locksmith provides door-to-door lock replacement, door lock replacement and lock cylinder replacement services in Hong Kong. The following shows actual installation photos of American locks, European locks, bead locks, digital locks and mechanical combination locks; before choosing a new door lock, you must still check the door thickness, lock body, back distance and original openings.
American lock replacement
American-style locks are commonly found on residential wooden doors; when changing the lock, you need to check whether the lock cylinder, lock body, deadbolt and decorative plate dimensions match.
European style lock and lock cylinder replacement
European-style locks can be replaced with European-style lock cylinders only, or both the door lock handle and the lock body, depending on the condition of the existing lock body.
Bead lock replacement
Bead locks are suitable for some house doors and indoor doors; before replacing the bead locks, please confirm the door thickness, lock tongue back distance and opening size.
digital lock replacement and installation
When installing an digital lock, you need to check the door structure, lock body hole position, door opening direction, power supply method and backup mechanical key.
Mechanical combination lock replacement
Mechanical combination lock does not require batteries and is suitable for some residential or indoor doors; please confirm the door thickness, handle direction and lock tongue position before installation.
Confirmation is required before changing the lock
- Door and lock types:Wooden doors, metal gates, glass doors or fire doors require different locks.
- Dimensions and openings:Measure the door thickness, back distance, lock cylinder length and original hole position to avoid mismatch.
- Use requires:Confirm the number of keys, the internal and external opening methods, the need for camera protection and the users at home.
- Quotation range:Distinguish whether parts, installation, additional openings and door frame adjustments are included.
Important:Fire doors, public access doors or rental properties may be subject to management, owner or fire protection requirements and should be confirmed before installation.
Replace only the lock cylinder or the entire set?
Only replace the lock cylinder
The lock body and deadbolt are operating normally. You only need to invalidate the old key or upgrade the lock cylinder level.
Replace the lock body
The lock tongue, transmission or internal parts are worn, and simply replacing the lock cylinder cannot solve the problem.
Complete security upgrade
When it is necessary to add locking points, change the operation method, or switch from mechanical locks to digital locks, the door body and door frame must be evaluated as a whole.
Frequently asked questions about lock replacement
Can I reuse the existing door opening?
Depends on the size, back distance and lock body structure of the new and old locks. Photos can only provide preliminary judgment, and the exact plan still needs to be measured.
How many keys will there be after changing the lock?
Different brands and models have different numbers of original keys. When quoting, you should confirm that the number of keys is included and whether it can be matched later.
How to arrange maintenance?
The door lock is provided with 14-day 101 locksmith maintenance; the actual coverage shall be subject to the terms confirmed at the time of quotation and installation.
Related real lock replacement cases
The following cases show the replacement situation of locks in different regions; the actual parts, methods and charges must be confirmed according to the on-site dimensions and conditions.
Hung Hom residential door lock replacement case
Residential lock replacement in Kowloon City; learn about fault inspection and size matching.
Sai Ying Pun European lock cylinder replacement case
Zhongxi District replaces the lock cylinder; evaluate according to the original lock body and door body dimensions.
Tuen Mun metal gate lock treatment case
Tuen Mun District metal gate lock; check fault and replacement service records.