Best Mortise Locks for Security Door of 2026
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Mortise locks are an essential component in securing a door, providing an added layer of protection against intruders. These locks are designed to fit into a mortise, or pocket, within the door and require a key to operate. They are available in a variety of styles and finishes to suit different door types and decor. Mortise locks are recommended by security advisers for their durability and resistance to forced entry. They provide peace of mind and are an effective way to safeguard your home or business.
At a Glance: Our Top Picks
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Top 6 Mortise Locks for Security Door
Yale 5 Lever Mortice Deadlock for External Doors
The Yale Mortice Deadlock is an ideal choice for securing your external wooden doors. It meets the British Standard BS 3621:2007, ensuring maximum security for your home. This lock is also Secured by Design approved, giving you peace of mind. Additionally, it is recommended by insurance companies and the police, which can help you meet insurance requirements. With a stylish brass finish and a convenient 2.5 Inch/64mm backset, this deadlock not only enhances security but also complements your door's appearance.
Infinity Decor 2.5” Nickel Plated Mortice Lock
The Infinity Decor Mortice Lock is designed for both internal and external wooden doors, providing security with its high-quality cast-iron construction. Its modern style ensures that door knobs are placed safely away from the frame, preventing finger traps. The latch lock bolt mechanism allows for smooth operation, making it easy for you to open and close doors. Additionally, the adjustable strike plates eliminate rattling, enhancing your overall door experience.
XFORT 3 Lever Polished Chrome Mortice Sashlock 75mm
The XFORT Polished Chrome Sashlock boasts a pristine polished chrome finish, adding an elegant touch to your internal wooden doors. Its design suits both left and right handed doors, making it versatile and easy to fit in various settings. Featuring the unique Rotalatch Technology, the latch bolt reverses smoothly, providing reliable door operation. Additionally, this sashlock has undergone robust testing, being CE approved and fire rated to EN1634-1 standards, offering you enhanced safety and peace of mind.
Amig Mortise Lock with Security Cylinder and 5 Keys
The Amig Mortise Lock is designed for wooden entry doors, offering a robust locking pallet and a reversible steel front with a matte black finish, allowing you to install it on either side of the door. It includes a high-security safety cylinder with anti-drill features, giving you peace of mind against forced entry. The lock features a precise 85 mm distance between handle nut and cylinder, fitting 8 mm handles perfectly for smooth operation. With a displacement of 20 mm and two full turns, it ensures reliable locking performance for your home or workspace.
TSS High Security 5 Lever Mortice Sashlock
The TSS Mortice Sashlock offers high security for external doors, providing you with peace of mind. It includes three keys and fitting instructions for easy installation. This lock meets the British Standard BS3621:2007, ensuring it is insurance approved. Additionally, it features hardened steel plates that help protect against drilling attacks, while anti-saw rollers in the deadbolt offer further defence against sawing threats. With its design compatible with most external door locks, it’s a convenient choice for enhancing your home security.
XFORT Matt Black Bathroom Mortice Lock
The XFORT Bathroom Lock is designed for enhanced security and durability. Its solid brass latch and deadbolt ensure reliable operation, giving you peace of mind. The compatibility with various door handle styles means you can easily integrate it into your existing setup. Whether your doors are left or right handed, this lock is versatile enough to accommodate both. Plus, its stylish matt black finish adds a contemporary touch to your bathroom décor.
Frequently Asked Questions (FAQs)
1. Is a mortise lock more secure?
Mortise locks are one of the most secure forms of residential hardware available today. What makes mortise locks so much more secure than their cylinder counterparts? A pocket cut into the short edge of the door, allows a longer and thicker mortise box to slide into the door itself, providing superior protection.
2. Do mortise locks weaken the door?
Mortise lock cutouts may weaken the structure of the door– yet mortise locks are mysteriously stronger than bored cylindrical locks! They give more leverage and last longer than cylindrical locks, and their versatility allows more architectural conformity to existing security hardware.
3. Are mortise locks good?
Mortise locks are reliable and strong, thus offering good door security. The classical appearance makes them more attractive than cylinder locks. They're versatile, so you can use them with all kinds of door furniture and cylinders.
During our mortise lock for security door research, we found 181 mortise lock for security door products and shortlisted 6 quality products. We collected and analyzed 20,397 customer reviews through our big data system to write the mortise locks for security door list. We found that most customers choose mortise locks for security door with an average price of £15.03.
The mortise locks for security door are available for purchase. We have researched hundreds of brands and picked the top brands of mortise locks for security door, including Yale, Infinity Decor, XFORT, Amig, TSS.
Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.