Best Key Lock Doorknobs of 2025

The Defender Security Doorknob Lock is designed to enhance your home security by preventing access to the keyhole on your door knob. By placing this device directly above the knob, you effectively block unauthorised access while still allowing the knob to turn when unlocked. Its removable die-cast cylinder adds convenience, enabling you to unlock and remove it easily, while ensuring it stays secured when locked. This practical locking device accommodates round door knobs up to 2.9 inches in diameter, making it suitable for various applications from rentals to construction sites.

The Probrico Door Knob Set features a keyed entry function, allowing you to lock and unlock the door from the outside with a key, while a turn-button provides interior locking convenience. It accommodates various door thicknesses, making it versatile for different installations. The adjustable latch ensures a perfect fit for your door. Additionally, this product is reversible, making it suitable for both left and right-handed doors, allowing you flexibility in usage.

The Probrico Door Handle Lock offers a secure and convenient solution for your entrance doors. It features a thumb button for easy locking from the inside and a key for unlocking from the outside, ensuring safety and ease of use. This lock is designed to fit both left and right-hand doors, making it versatile for various installations. Its safe key lock lever is perfect for both internal and external doors, providing peace of mind in high-traffic areas like bathrooms and bedrooms.

The Probrico Keyed Door Knob offers a reliable locked entry function, allowing you to secure your doors conveniently with a key from the outside and a turn-button from the inside. It features an adjustable latch, making it suitable for various door thicknesses from 35mm to 45mm, ensuring a perfect fit for your home. The reversible design allows for easy installation on both left and right-handed doors, providing flexibility for your needs. With straightforward installation instructions, you can easily replace your door knobs without needing professional help.

The Kwikset Tylo Doorknob is designed for exterior doors, providing essential security with its keyed lock feature. It accommodates both right and left-handed users, making it a versatile choice for any home. Thanks to SmartKey Key Technology, you can easily rekey the lock in just three simple steps, giving you peace of mind. This means you can secure your home quickly and conveniently, enhancing your overall security without hassle.

The XFORT Bello Door Knob offers enhanced security and convenience for your internal wooden doors. With its internal snib and external key locking mechanism, you can enjoy privacy and safety, especially for bedrooms and offices. Made from durable stainless steel, it ensures reliability and longevity, making it perfect for everyday use. This knob set is designed for internal doors with a thickness of 35-50mm, providing versatility for various applications. You will find all necessary fittings included for straightforward installation.

The Probrico Door Knob offers excellent security for your home. With an adjustable backset of 60 or 70mm, it fits doors with a thickness between 35 to 45mm, ensuring a versatile fit. Its design allows for easy locking and unlocking using a key from the outside or a turn button from the inside, providing convenience for everyday use. The solid column security bolt enhances protection against tampering, giving you peace of mind. Made from durable metal, this knob is built to last, making it a reliable choice for any door.

The TEMEILI Door Handle Lock offers excellent privacy protection by ensuring that unauthorised individuals cannot unlock your door with a duplicate key. This versatile device is perfect for various applications, including valves and outdoor faucet locks, helping you secure your belongings and prevent theft. It also provides a reliable solution for denying access in rental properties when immediate lock replacement isn't possible. Additionally, it can keep vulnerable individuals safe by preventing them from wandering outside, giving you peace of mind.

The Probrico Privacy Door Knob offers a convenient way to ensure privacy in your home. With its thumb turn button, you can easily lock the latch bolt from the inside, while an emergency release tool allows access from the outside if needed. This adjustable knob fits door thicknesses of 35mm to 45mm and is suitable for both left and right-handed doors, making it versatile for any setting. Installation is a breeze, as the knob comes with all necessary accessories, allowing you to complete the job on your own.

The Qrity Door Handle Lockset features an anti-lock button, ensuring you can easily unlock the door before closing it to avoid it locking automatically. Installation is straightforward, with an adjustable latch that fits door thicknesses from 35mm to 50mm and can be set to either 60mm or 70mm backset. This lockset allows you to secure both the inside and outside knobs, giving you peace of mind against unwanted access. Additionally, it includes three keys for convenient locking from the outside, making it ideal for bedroom doors or any internal space requiring privacy.