Key Retaining Padlocks That Can Be Changed To Snap-Shut

Many high-security padlocks are supplied as key retaining by default. This means that when the padlock is unlocked, the key cannot be removed from the cylinder until the shackle is closed again. The idea is to prevent users from accidentally leaving the lock open. It is a helpful safety feature in shared or high-risk environments where an unlocked padlock could present a security vulnerability.

What Is Snap-Shut Operation?

Snap-shut (also known as automatic locking) means that the padlock can be locked simply by pressing the shackle back into the body, without needing to insert and turn the key. The key can be removed whether the lock is open or closed. This makes locking faster and more convenient, especially when hands are full or when the padlock is used repeatedly throughout the day.

Converting Between The Two

Not all padlocks allow you to switch between key retaining and snap-shut. The internal mechanism must be designed to support both methods. Many budget padlocks are fixed to one mode only.

However, certain high-security models are engineered with a removable locking pin inside the cylinder mechanism that lets you choose the operating style.

A Good Example: The ABUS Extreme Series

The ABUS Extreme series (such as the ABUS 83WP range) is a strong example of a padlock that can be converted. It is typically supplied as key retaining, but it can be changed to snap-shut with a simple internal adjustment. The process is reversible, so you can switch back if needed.

• Supplied key retaining by default

• Can be configured to snap-shut

• Change does not affect security rating

• Useful for fast, repeated locking tasks

When Snap-Shut Is Useful

• When locking needs to be fast and one-handed

• When users regularly need to lock and go

• When environmental conditions make key handling harder (cold, rain, gloves)

When Key Retaining Is Better

• Shared sites with multiple users

• Situations where leaving a lock open is a risk

• Environments where keys must be controlled or signed out

Video Demonstration

Conclusion

If you need the flexibility to choose between key retaining and snap-shut operation, look for padlocks designed with interchangeable mechanism inserts. The ABUS Extreme series is one such example and makes the change straightforward while maintaining high security performance.