What Are Bump Keys? A Guide from Scott Robertson, Owner of Bump Keys Ltd

As a locksmith with over 20 years in the trade, I’ve worked with countless locks and tools, but one that often sparks curiosity is the bump key. At Bump Keys Ltd, we specialize in crafting high-quality bump keys for locksmiths across the UK, ensuring they have the right tools for the job.

What Is a Bump Key?

A bump key is a specially cut key designed to manipulate pin tumbler locks. These locks, found in everything from residential doors to commercial security systems, use a series of spring-loaded pins that must align at the shear line for the lock to turn. A bump key is cut to the lowest possible depth for a particular lock type, allowing it to “bump” the pins into place when struck with a slight force.

How Do Bump Keys Work?

Using a bump key involves inserting it into the lock and applying a slight turning pressure while tapping the key with a bump hammer or other tool. The impact temporarily pushes the pins upward, and if done correctly, they align just long enough for the lock to be turned and opened.

Why Do Locksmiths Use Bump Keys?

Bump keys are an essential tool for professional locksmiths, used in situations where a customer has lost their key or is locked out of their property. They offer a quick and effective method for gaining entry without causing damage to the lock, making them a preferred alternative to drilling or destructive entry methods.

The Importance of Quality Bump Keys

Not all bump keys are created equal. Poorly cut or mass-produced keys can be unreliable and wear out quickly. That’s why at Bump Keys Ltd, we handcraft each key with precision, ensuring it meets the highest standards for locksmith professionals. With over 140 different bump key options, we provide locksmiths with the right tools for any lock they encounter.

If you’re a locksmith looking for high-quality, handcrafted bump keys, Bump Keys Ltd has you covered. Our years of expertise in the trade mean we understand the tools you need—and we take pride in providing them.

Scott Robertson
Owner, Bump Keys Ltd