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Deadbolt Locks vs Deadlocks – What’s the Difference?

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Deadbolt Locks vs Deadlocks – What’s the Difference?

Many people use the terms ‘deadbolt’ and ‘deadlock’ interchangeably, but they’re actually different types of locks. Knowing the distinction helps you choose the right one for your doors.

A deadbolt is a locking mechanism that extends a solid steel bolt into the door frame when turned by a key or thumb turn. It provides strong resistance against prying or forced entry and is commonly used on external doors.

A deadlock, on the other hand, typically requires a key on both sides to operate. This means it can’t be opened from inside without a key, adding another layer of security — especially for doors near glass panels.

Fast Locksmiths Cranbourne installs both deadbolts and deadlocks, depending on your home’s design and safety needs. For families with small children or elderly residents, a single-cylinder deadbolt may be more practical. For high-security areas, double-cylinder deadlocks offer maximum protection.

We can also integrate both lock types into keyed-alike or smart lock systems for a convenient and modern approach to security.

Whether you’re upgrading your current door or installing a new one, Fast Locksmiths Cranbourne can help you find the perfect balance between convenience and strength.

Call Fast Locksmiths Cranbourne on 03 8658 7005 or visit www.fastlocksmiths.com.au for expert lock installation, upgrades, and emergency locksmith services across Cranbourne, Clyde North, Officer, Berwick, and nearby suburbs.