Unpickable lock: the best anti-theft locks
Security has become a crucial issue, for homes as well as businesses and industries. Today, it’s no longer enough to have an ordinary lock: you need to choose anti-theft solutions that are reliable AND unpickable.
In this article, we share our best tips for choosing the right protection, the locks to choose, and everything you need to know to understand the difference between an anti-theft and unpickable lock and the essential criteria for making a good choice!
Unpickable lock vs. anti-theft lock: is it the same thing?
These two terms are often used interchangeably. However, there’s a slight difference that’s worth being aware of.
An anti-theft lock is a fairly broad term that encompasses any lock designed to enhance the security of a door and slow down break-in attempts.
On the other hand, a pick-resistant lock is a very specific type of anti-theft lock, specially designed to resist picking attacks, but also drilling and bumping — the technique where you give the lock small blows to break the pins.
In short: all unpickable locks are anti-theft, but not all anti-theft locks are unpickable. It’s best to know this before making your choice!
Unpickable lock: protection against picking, drilling and bumping
A pick-resistant lock is designed to resist the most common methods of forcing: picking, drilling, and bumping. To achieve this, it incorporates several features that make any break-in much more complex:
- High-precision cylinder
- Anti-pick pins
- Internal anti-drill barriers
For example, some anti-theft locks use mushroom-shaped pins that instantly block any attempt to pick them. These types of locks are often certified to rigorous standards (ANSI/BHMA, UL437), ensuring proven robustness against physical attacks.
The essential criteria for choosing your lock
The level of certification
Choose locks that are ANSI Grade 1 or UL437 certified for maximum protection. These certifications are a guarantee of quality and resistance to picking and tampering.
Mechanical resistance
A truly tamper-proof lock should incorporate anti-drill plates and asymmetrical counterpins. This significantly slows down burglars and discourages rapid attacks.
Sustainability
Choose solid materials (hardened steel, reinforced alloys) capable of withstanding extreme conditions and wear and tear over time.
Compatibility with your doors
Each door material (wood, metal, composite) has its own unique characteristics. A well-chosen, pick-proof lock will take these characteristics into account to ensure a perfect lock.
The technologies that make a pick-proof lock truly effective
High-security mechanical locks include reversible pin tumbler cylinders and double locking systems, often combined with patented keys to prevent unauthorized copies.
For smart technology enthusiasts, smart electronic locks offer RFID cards, ultra-secure digital keypads, and encrypted mobile apps that let you control who comes and goes, wherever you are.
And for main doors or buildings that present a particular risk (schools, high-end businesses, warehouses), multi-point systems remain a safe bet: three to five solid anchor points that make it practically impossible to tear off or lift the door.
Secure lock: what solution for your property?
For residences and condos
When you think about securing your home, the front door is the first point of entry that comes to mind. A good pick-resistant lock for the front door is simply essential.
Secure secondary access
But when it comes to security, the main door isn’t the only one you need to protect! Other entrances, like the patio door or the garage door, can become real weak points if neglected.
A multi-point system for the patio door significantly increases resistance to intrusion, while a secure connected lock on the garage allows you to keep an eye on comings and goings, even from a distance.
For businesses and offices
In a business, every door counts. Often overlooked, secondary doors can quickly become real security holes. Installing an electronic anti-pick lock on back doors, combined with a secure card access system, not only limits external intrusions but also internal access.
For industries and institutions
In industrial or institutional environments, security isn’t limited to a simple lock: it must be optimized at every level. Every strategic area (warehouses, archives, laboratories) deserves an ultra-secure lock, designed to resist intrusion attempts.
And for truly critical locations, adding biometric or secure card access control provides an extra layer of protection.
Top 5 Best Pickproof Locks to Consider in 2025
Mul-T-Lock MT5+: This system offers advanced protection against picking, drilling, and bumping thanks to its interactive pin technology and patented key.
Medeco X4 : With its ultra-secure radial pin tumbler cylinder and long-lasting patent, this lock is ideal for environments requiring a high level of security.
Abloy Protec2 : Known for its tamper-proof rotating disc system, this lock is recommended for sensitive sites requiring maximum security.
Mul-T-Lock Interactive+ : Featuring anti-bumping technology and protection against unauthorized duplication, this lock combines security and convenience.
Abloy CLIQ : An electromechanical solution that offers increased flexibility in access control, while maintaining a high level of mechanical security.
Finally, each model offers specific advantages depending on your needs: increased mechanical resistance, flexible access control or advanced home automation integration.
Why entrust the installation to an expert?
Even the best locking system loses its effectiveness if it’s poorly installed. For your lock to perform to its full potential, every detail must be considered: precise cylinder alignment, anchor depth, and the selection of suitable hardware.
Expertise that makes all the difference
A professional locksmith knows how to adapt the installation to your type of door, correct small frame gaps and discreetly reinforce weak points that you might not even suspect.
A locksmith expert will know:
- Adapt the lock to the exact type of door.
- Maximize resistance to break-in attempts.
- Avoid weaknesses invisible to the untrained eye.
In short, professional installation transforms your lock into a security guard, day after day!
When should you replace your lock?
Is your lock showing signs of wear? Don’t take it lightly! A sticking key, a resisting cylinder, or a damaged lock are all small signs that deserve your attention.
Furthermore, in a professional context, the loss of an access card or key by an employee is also a good time to review the security of the premises.
Protect what matters with a pick-proof lock
Protecting your family or business starts with installing a 100% reliable anti-theft lock. With Serruriers Amherst Locksmiths, you can count on excellence in high-performance locks. Contact us to benefit from recognized expertise, fast service, and lasting peace of mind!
Sources :
CLE-SERRURE. Qu’est-ce qu’une serrure anti-crochetage ? [What is an anti-pick lock?].
ESPÉ. Sécurité des portes dans la maison pour décourager les voleurs. [Door security in the house to discourage thieves].