The Most Common Types of Locks and How to Repair Them

The Most Common Types of Locks and How to Repair Them

Locks are an essential aspect of our everyday lives, securing our homes, offices, and possessions. They come in different shapes, sizes, and types, each with its unique mechanism for keeping intruders out. However, as with any mechanical device, locks can wear out over time and require repair. Knowing how to repair Common types of locks can save you money and ensure your safety.

In this blog, we’ll explore the most common types of locks and their inner workings, as well as provide tips on how to repair them. Whether you’re a DIY enthusiast or just want to be prepared in case of a lock emergency, this blog is for you.

Choosing the Right Lock for Your Property

With so many options available, determining which type of lock is best suited for your particular needs can often be difficult. A brief review of each class will help guide you toward making an informed decision about what kind of protection is right for your property. Deadbolts are one of the most popular choices due to their ease of use and robust nature; however, there are several other varieties, such as combination locks, lever handle locks, keypad & digital touchpad locks, magnetic card readers, and biometric scanners, all with unique advantages depending on the situation at hand.

Repairing a broken lock is a challenging task. Still, with patience and careful attention, it can be done safely without damaging surrounding parts or voiding warranties (if applicable). By understanding the basics behind repairing each variety mentioned above, this article will surely equip its you with a deeper knowledge base you may draw upon should issues present themselves.

Different Kinds Of Traditional Lock Types

Traditional locks are the most common types used in residential and commercial applications. Several options are available for both basic security needs and more complex locking requirements. Below are some of the most common locks found today. 

  • Knob locks have existed since ancient times, although they were quite primitive compared to modern versions. These consist of a knob or handle that turns to activate the latch mechanism inside the door frame itself. This is an ideal solution for interior doors because it does not require additional security measures such as secondary locks or keys. However, many people choose to add more secure locks for extra protection.
  • Deadbolt locks use a sturdy bolt that slides into place when locked from either side of the door and cannot be opened without a key from outside. The deadbolt provides superior security against forced entry. It can come with single-cylinder or double-cylinder models depending on desired safety levels.
  • Mortise locks offer even greater protection due to their complexity; these generally require professional installation and specialized tools for repair.
  • Cylinder locks offer another option for those looking for added security. Still, they don’t wish to install a full-fledged mortise lock setup. Cylinders come in various sizes and configurations, including ones with removable cores that allow them to be rekeyed quickly and easily by a qualified technician, should there ever be any need.
  • Lever handle locks provide additional security while offering easy access through a simple push-down mechanism rather than needing a key or combination code to enter, as other locks might require.

These five traditional lock types give consumers plenty of choices when selecting one that fits their needs best, with careful consideration given to all aspects involved before deployment, each type can prove an effective way of safeguarding property from unwanted intrusion over time.

Knob Lock, Lever Lock, And Deadbolt Lock

A knob lock is a type of door knob with a built-in locking mechanism that can be locked or unlocked from inside or outside the door. The main advantage of this kind of lock is its ease of installation and use, as it does not require any additional hardware beyond the doorknob itself. 

Deadbolts are also widely used for residential security purposes due to their strong construction and secure locking mechanisms. They consist of an inner cylinder connected by metal rods to the exterior plate on the door frame. To unlock a deadbolt, one must insert a key into the inner cylinder, moving the metal rods outwards and disengaging them from the plate on the door frame.

In comparison, lever locks are another popular option of lock for your home security systems. These operate similarly to knob locks in that they have an internal latch that needs to be opened by turning a handle or pressing a button before you can open your door from either side. Lever locks provide increased safety over knobs since they cannot be picked like traditional doorknob locks can, making them ideal for keeping intruders at bay.

Additionally, lever locks come in various sizes suitable for both interior and exterior doors, allowing homeowners more flexibility when adding extra layers of protection around their homes.

Mortise Lock For External Doors

Mortise locks are a type of lock that is commonly used for external doors. They can be found on the exterior of residential, commercial, and industrial buildings. Mortise locks offer increased security as they have several components which work together to secure the door from both sides when locked.

The following list provides an overview of the features of mortise locks:

  • Components: A mortise lock consists of a deadbolt and latch operated by two knobs or levers. The deadbolt is typically made out of metal. At the same time, the latch is usually brass-plated steel with a spring-loaded mechanism designed to keep it in place when not in use.
  • Installation: Installing a mortise lock requires cutting into the door frame using specialized tools such as chisels, saws, files, and drills. It also involves aligning the knob or lever mechanisms to fit properly inside the cutout area to securely lock the door from both sides when engaged.
  • Repairs: Over time, mortise locks may become damaged due to wear and tear or improper installation. Common repairs include replacing worn parts, adjusting misaligned knobs or levers, lubricating sticking mechanisms, and fixing broken springs within the locking assembly.

A well-maintained mortise lock will provide reliable security for many years without needing major repair work; however, if any issues arise, professional assistance should be sought promptly to ensure continued safety against unauthorized access through an exterior door.

Lever Handle Locks And Combination Locks

Lever handle locks are among the most popular types of locks used in many residential and commercial settings. They consist of a lever-style handle that is attached to a lock cylinder, usually on the exterior side of door knob locks. When turned or pushed down, the handle will cause the internal latch mechanism within the lock cylinder to engage and secure the door. Repairing a lever handle lock typically involves replacing worn-out parts with new ones and adjusting the latch for proper operation.

Combination locks offer an alternative security solution when keyed entry is unnecessary or desired. These often come as standalone padlocks but can be integrated into door hardware such as cylinders or handsets. Repairing these types of locks requires understanding how they work; the combination dials must all line up correctly for it to open correctly. If one of them is misaligned, it must be adjusted before using it again. In these locks, common wear issues may require replacement parts, which qualified technicians should always do professionally.


Padlocks are a popular type of lock that is versatile and easy to use, making them a great option for securing a variety of items. They come in a range of sizes and styles, each with its own unique features and benefits. Below is a list of common types of padlocks to help you choose the right one for your needs:

  • Combination padlocks
  • Keyed padlocks
  • Shrouded padlocks
  • Disc padlocks
  • Weather-resistant padlocks
  • Bluetooth-enabled padlocks
  • High-security padlocks
  • Cable padlocks
  • Brass padlocks
  • Laminated padlocks.

Glass Door Lock And Cylinder Locks

Glass door locks and cylinder locks are two of the most common types of locking mechanisms used in homes, businesses, and automobiles. They are typically easy to install but can be difficult to repair when broken or malfunctioning. As a locksmith or lock repair technician, understanding how these different locks work is essential for successful repairs.

Idiomatically speaking, there is more than one way to unlock a door. In this section, we will discuss some tips on repairing glass door locks and cylinder locks.

  1. Glass Door Lock: These locks have become increasingly popular due to their sleek design and ease of installation. However, they can be tricky to fix since they require specialized knowledge and tools that not everyone can access. When attempting a repair job, it’s important to take your time to not cause further damage or worsen the situation.
  2. Cylinder Locks: A cylinder lock comprises several components, including an outer cam lock with pins inside the core which must align perfectly before unlocking the door. It requires skillful manipulation and precision tools to properly repair this lock without damaging any other parts.

To sum up, both glass door locks and cylinder locks present unique challenges for those looking to perform repairs but with patience and experience comes success! We’ve outlined some general pointers here. However, depending on the specific situation, more advanced techniques may be needed if things go differently than planned, such as knowing how to unlock a door from the inside without using key or step-by-step instructions.

How To Unlock A Door From The Inside

No matter what type of door lock you choose, the most important thing is understanding how to unlock them if necessary. With a deadbolt, please insert the correct key into the cylinder and turn it until it opens. Press down on the knob for rim locks while simultaneously pulling back until it unlatches. Use a screwdriver or other tool to remove any screws holding the faceplate before turning the thumb turn lever until unlocked on mortise locks.

Lastly, with combination lock knobs, enter your code using numerical buttons then turn clockwise until released.

Depending on the situation, understanding how to properly open different types of door locks will allow you to gain entry quickly without damaging the locking mechanism or the surrounding area, such as walls or ceilings nearby. From selecting appropriate hardware for your home or business needs to troubleshooting issues with existing locksets, knowing about the types of locks available can help ensure safe access whenever required.

Unlocking A Door From The Outside

Different locks require other methods for unlocking a door from the outside. For instance, deadbolts typically require a key, while knob locks can be opened with either a key or by turning the knob on the other side.

To unlock a deadbolt lock, one must first turn the key in the cylinder located at one side of the lock. If no key is available, an experienced locksmith may use special tools and techniques, such as picking or bumping, to open the door without damaging it. On the other hand, all that needs to be done to open a knob lock is to turn the knob on its opposite side until it reaches its unlocked position.

The most common type of exterior door locks today are electronic ones, which have become popular due to their added security features compared to traditional mechanical locking systems. They typically come with various access control technologies like password entry, fingerprint scanners, and even remote access through smartphone applications. To repair any issue related to these locks, specialized equipment, software, and skills are required, making them best left to professional technicians specializing in this.

Electronic Door Locks And Knob Locks For Security

Electronic door locks and knob locks are essential components of any security system. They provide the necessary protection against intruders, while still allowing access to authorized personnel. 

Electronic locks can come in many forms such as keypads, card readers, biometric scanners, or radio frequency identification (RFID) tags. Each type has its own advantages and disadvantages when it comes to security measures. Keypads are easy to use but vulnerable if someone knows the combination; biometric scanners require that users have their fingers scanned before entry, and RFID tags must be locked using a separate device for added protection.

The most common type of door locks used today are knob locks. These offer basic security features such as locking from both sides of the door, deadbolts for extra reinforcement, and interchangeable cylinders which allow you to change the key without replacing the entire unit. Other options include padlocks, lever handle sets, cylinder rim locks, and mortise sets, which all serve different purposes depending on what kind of door they will be installed in and what level of security you need.

No matter what type of door you have at your home or business premises, a variety of locks are available to keep your property safe from uninvited guests. 

Installing A Variety Of Locks In Your Home

When installing locks in your home, you have various options available. Several types of locks, such as deadbolts, knob locks, and levers, can be used to lock or unlock the door. Deadbolts are one of the most popular locks because they offer added security and durability compared to other types of locks.

 Knob locks are used commonly for residential applications due to their ease of use and affordability. Locks with levers are often installed on sliding doors because they offer more control over locking and unlocking the door than other locks. All three types of locks come in various sizes, styles, materials, designs, and colors, so you can find something that suits your needs perfectly.

No matter which type of lock you choose for your home, proper installation is essential for ensuring its effectiveness and reliability. An experienced locksmith should always be consulted when installing any lock since improper installation could lead to malfunctioning parts or even breakage if not done correctly.

Furthermore, all new facilities must comply with local building codes and regulations regarding safety requirements to ensure maximum protection against intruders. Taking these steps will help keep your family safe while providing peace of mind knowing that your home is always securely locked. Lever handle locks for sliding doors offer an important layer of security that should always be considered when considering how best to secure your house or apartment.

Important Lever Handle Locks For Sliding Doors

Have you ever wondered what the best locks are for your sliding glass door? Well, wonder no more. All of us locksmiths know that important lever handle locks are the way to go. These locks serve as a secure barrier between your home and intruders, so installing them correctly is essential.

Lever handles on doors give an added sense of security and make entering the house conveniently without needing the key each time. Lever locks also look great with many door designs and styles, adding visual appeal to any entryway setup. When installing these kinds of locks into sliding glass doors, one main thing to remember: ensure that the screws used to attach them fit properly and securely into their respective slots. This will help prevent potential break-ins by providing they can’t be broken off easily when force is applied.

In addition, it is important to test out all levers after installation or repair work has been completed, this will guarantee that all parts function correctly before closing up shop (or home). If problems arise during testing, further investigation may be necessary before proceeding with other lock repairs or installations around the property. Any issues should never be overlooked since faulty mechanisms could lead to serious safety concerns if left unattended. 

Understanding The Components Of A Lock Cylinder

The most common type of cylinder lock consists of three main parts: the key, the cylinder, and the tumblers inside.

  1. A key is used to unlock the door by inserting it into the keyhole in the cylinder. It then must be turned until all the tumblers line up correctly so it can open.
  2. The cylinder itself is usually made from metal. It contains several small pins called tumblers which prevent movement when they’re not aligned correctly with each other.
  3. When these tumblers are properly aligned, turning the key will open the lock, but if even one pin isn’t lined up correctly, you won’t be able to turn your key and thus won’t be able to open your locked doors or structures with a regular key-operated lock system.

Repairing Locked Door Handles And Knobs

Repairing a locked door handle or knob is often important for professional locksmiths and lock repair technicians. It may be necessary to remove the existing lock to gain access to the inside of the door. This will allow further examination of any components that could need replacing. In some cases, new locks can be installed on the outside of the door in order to ensure it remains secure after being unlocked from the inside. 

When examining a locked door handle or knob, checking all parts of the locking mechanism, including levers used when turning the key, is essential. Sometimes these lever locks become worn over time, making them more difficult to use, so they must be repaired or replaced. If a faulty lever lock is identified, then it should be removed using specialized tools.

During installation, strict attention should also be paid to ensuring all other components such as springs and pins function properly.

Finally, always test any newly installed locks before leaving a job site. This ensures everything has been correctly fitted, letting customers know their property is safe and secure.

Replacing Faulty Or Damaged Lock Components

Each type of lock requires specific maintenance procedures, such as lubrication and adjustment when they become damaged or faulty. For example, if a mechanical key becomes stuck inside the lock cylinder it may need to be replaced. In contrast, an internal malfunction on an electronic lock could be fixed by replacing any broken components within the system.

Additionally, some combination locks have small parts that must be replaced regularly due to wear and tear over time. All these repairs should only be done by a professional locksmith to avoid any further damage.

Troubleshooting Common Lock Issues

The most common types of locks and how to repair them can be tricky. Finding the right lock for your door is essential, as it will provide security and peace of mind in knowing that you have locked the door behind you. Locks come in various shapes and sizes depending on the type of locking system required. 

No matter what type of lock you choose, if there are any issues with its functionality, repairs may need to be made quickly. Common problems include:

  • Jammed locks can prevent the unlocking or opening of doors.
  • Misaligned pins result in difficulty turning a deadbolt or lever handle.
  • Broken keys stuck inside a lock.
  • Faulty mechanisms that cause failure or poor performance.

In some cases, these issues can be resolved using simple DIY techniques. Still, it’s best to get professional assistance for more complex repairs.

Get Professional Assistance From 24 Hour Locksmith Service For Complex Lock Repairs

Repairing complex locks can be a difficult and time-consuming process. Therefore, it is best to leave the task of fixing them to experienced professional locksmiths. Cabinet door locks are typically quite simple in design. Still, more complicated electronic door locks may require special tools or knowledge for proper repair.

Suppose you’re struggling with a certainty that contains an internal component, such as tumblers, springs, or pins. In that case, professional assistance will likely be required. In this case, it would be helpful to have a trained locksmith take apart the lock from the inside so they can better understand how each part works together and make any necessary repairs. The locksmith should also check if all screws and bolts are properly tightened since these components often become loose over time when a key runs through the door multiple times daily.

We Offer Professional 24 Hour Locksmith Services In Melbourn and Nearby

24/7 Melbourne Locksmith Service offers professional locksmith services in and around Melbourn. Our highly-skilled team of locksmiths is equipped with the latest tools and technology to deliver quality results at competitive prices. We strive to ensure customer satisfaction by providing reliable and prompt services for residential, commercial, automotive, and emergency locksmith services.

Our Services Include:

  • Lock installation, repair, and replacement
  • Re-keying
  • Key cutting
  • Master key systems
  • High-security locks
  • Safe opening and installation
  • Door installation and repair
  • Auto Locksmith
  • Car Locksmith
  • Emergency Locksmith
  • Commercial Locksmith
  •  Residential Locksmith
  • 24 hour locksmith Services
  • Smart Lock Services

We are dedicated to providing a secure and safe environment for our clients. With our transparent rates approach, you can avoid unexpected charges. Additionally, we use only top-of-the-line products that meet industry standards.

For any queries or assistance, feel free to contact us on Tel: 0466-344-447 or email us at We look forward to helping you protect your home, business, and vehicle from unauthorized access.


In conclusion, knowing the different types of locks and how to repair them is important. Knowing the kind of lock and its components can help save valuable time during a repair or replacement job. While some basic maintenance can easily be done by the homeowner, more complex tasks should always be left in the hands of an experienced professional locksmith.

It may seem unnecessary, but getting assistance from an expert will ensure that your security measures are up-to-date and functioning properly at all times. The cost of enlisting professional help pales compared to what could happen if a faulty lock were not fixed correctly, property loss due to theft, or damage caused by forced entry into one’s home.

Nonetheless, there are those who would argue against spending money on something they feel they can do themselves; however, this approach needs to be revised as even minor mistakes when repairing or replacing locks can compromise their effectiveness and leave homes vulnerable to intrusion. To guarantee maximum safety for oneself and their family, seeking skilled professionals for lock maintenance is essential.