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Locksmiths: How Do They Create New and Spare Keys?

door handle and lock

If you’ve ever lost your keys or had them stolen, you know how frustrating it can be. You may have to change the locks on your home or business, which can be expensive. But if you have a spare key, you can simply give it to the locksmith, and they can make a copy for you.

Have you ever wondered how locksmiths make new keys? It’s a complex process that is essential for security and peace of mind. In this blog, we will explore how locksmiths create new and spare keys.

1. Getting the Key Code

Creating new keys begins with a locksmith using specialised tools to open the lock. This is done to identify the type of lock and determine the best method of creating a new key. Once the lock has been opened, the locksmith will examine the lock’s internal components to identify the key’s code. This code is then used to create a new key that is cut to match the exact specifications of the original key.

2. Code Cutting

Code cutting is a process that involves using a code-cutting machine to read the code of the existing key and cut a new one. This process is much faster than traditional lock picking and can be done without damaging the lock. The code-cutting machine reads the code from the key and then cuts a new key based on the code. This is a great option for those who want to keep their existing lock and need a new key.

The code-cutting machine is a sophisticated piece of equipment and requires the skills of a trained and experienced locksmith. The locksmith will use their expertise to ensure that the new key is cut correctly and will work in the lock. This process is often faster and more cost-effective than traditional lock picking and is becoming increasingly popular with businesses and homeowners.

3. Duplicating the Key

After the key has been cut, the locksmith will check the fit to ensure it works properly. If the key fits and operates the lock, the locksmith will then duplicate the key to create a spare. This is done by using a key duplication machine, a device that copies the design of the key and cuts a new one. The duplication process is fairly quick; the locksmith can quickly create several copies of a single key. 

4. Testing

Once the spare keys have been created, the locksmith will test them to ensure they open the lock as expected. If all the keys work properly, the locksmith will provide the customer with the original and spare keys. 

Having spare keys can provide peace of mind that you and your family will always have access to your property. Additionally, if you ever need to give someone else access to your property, you can do so without worrying about losing your main set of keys. 


Locksmiths are skilled professionals who specialise in creating new and spare keys for locks. They use specialised tools to open the lock, identify the key code, and cut a new key. They also use key duplication machines to create multiple copies of a single key. With their knowledge and expertise, locksmiths can create new and spare keys, allowing individuals to access locked areas with ease.

Are you looking for locksmiths in Perth? Look no further than South Perth Locksmiths. We offer 24-hour mobile and emergency locksmith services, including unlocks, rekeys, and repairs for commercial, residential, and automotive needs. Contact us today!

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