How to Read Padlock Security Levels and Packaging Icons
A Simple Guide to Choosing the Right Brinks® Padlock
09/23/26
Walk down the padlock aisle and you'll see dozens of locks that may look similar—but they're designed for very different jobs. Choosing the right padlock isn't just about size or price. It's about matching the level of security to what you're protecting.
Brinks® makes this easier by clearly labeling each lock with a Security Level, cut-strength rating, and feature icons that quickly communicate what the lock is designed to do.
Whether you're protecting a backyard gate, securing a storage unit, locking up tools, or traveling with luggage, here's how to understand Brinks packaging so you can choose the right lock with confidence.
Start with the Brinks Security Level
One of the first things you'll notice on Brinks packaging is the Security Level. This tells you how much protection the lock is designed to provide.
Commercial (or Maximum) Security
Built for High-Value Protection
- Cut strength: Over 6,000 lbs
- Designed for the toughest security applications
- Ideal for:
- Storage units
- Commercial facilities
- Construction sites
- Trailers
- Gates protecting expensive equipment
- High-value tools and machinery
Commercial Security products are engineered for applications where maximum resistance to cutting and forced entry is important. Many feature hardened steel and boron shackles, shielded designs, and premium locking mechanisms.
High Security
Built for Strong Everyday Outdoor Protection
- Cut strength: 2,500–6,000 lbs
- Excellent balance of strength and value
- Ideal for:
- Backyard gates
- Storage sheds
- Fences
- Toolboxes
- Jobsite equipment
- Outdoor storage cabinets
For many homeowners, High Security is the sweet spot. It provides significantly more protection than basic padlocks while remaining practical for everyday use.
Standard Security
Built for Basic Protection
- Cut strength: Less than 2,500 lbs
- Designed for everyday convenience
- Ideal for:
- Luggage
- Lockers
- Backpacks
- Gym bags
- Cabinets
- Low-risk indoor applications
Standard Security locks help deter grab-and-go theft and keep honest people honest. They're perfect when convenience matters more than maximum physical security.
Matching the Lock to the Job
Here are some common recommendations:
Remember that the strongest lock can only be as secure as what it's attached to. Pair your padlock with a sturdy hasp, chain, or latch that's appropriate for the application.
What Does Cut Strength Mean?
One of the most useful specifications on Brinks packaging is cut strength.
Cut strength measures approximately how much force it takes to cut through the lock's shackle using bolt cutters during standardized testing.
Generally speaking:
- Higher cut strength means greater resistance to attack.
- Larger hardened shackles typically provide more protection.
- Shielded shackles reduce bolt cutter access even further.
Cut strength is just one part of overall security, but it's an excellent way to compare locks across the Brinks lineup.
Understanding Common Packaging Icons
Brinks packaging also includes icons that highlight important product features. These make it easy to compare locks without reading every detail on the package.
Weather Resistant
Look for this icon if your lock will live outdoors.
Weather-resistant locks typically include features such as:
- Corrosion-resistant finishes
- Stainless steel internal components
- Protective cylinder covers
- Drainage channels that help shed water
These features help extend the life of the lock in rain, snow, humidity, and coastal environments.
Best for:
- Gates
- Sheds
- Fences
- Storage lockers
- Outdoor equipment
Hardened Steel Shackle
This icon indicates the shackle has been specially hardened to better resist cutting and sawing.
A hardened shackle offers significantly greater protection than standard steel.
Best for:
- Outdoor security
- Storage units
- Expensive equipment
- Commercial applications
Boron Steel Shackle
Some premium Brinks locks feature boron steel.
Boron steel is even tougher than traditional hardened steel and provides exceptional resistance against cutting attacks.
Best for:
- Maximum-security applications
- High-value property
- Commercial security
Shielded Shackle
A shielded shackle exposes less metal for bolt cutters to grab.
This simple design change dramatically improves resistance to cutting attacks.
You'll often find shielded shackles on discus locks and commercial padlocks.
Keyed Alike
Brinks keyed alike padlocks are typically sold in multi-packs, with every lock in the package operating with the same key. That means one key can unlock every padlock in the set, making it easy to secure multiple access points while keeping your keyring simple. With keyed-alike locks:
- One key opens every lock in the set.
- Great for sheds, gates, trailers, and storage buildings.
- Reduces key clutter while simplifying access.
TSA Accepted
Travel locks marked TSA Accepted can be opened by Transportation Security Administration officers using special tools without cutting the lock.
These locks are ideal for:
- Checked luggage
- Travel bags
- Backpacks
Combination vs. Keyed
Brinks offers both keyed and combination padlocks.
Keyed locks
- Faster to open
- Generally provide higher security
- No combination to remember
Combination locks
- No keys to lose
- Convenient for lockers and gyms
- Great for shared access
Combination locks are especially helpful when multiple people need access without worrying about lost keys. There are two types of combination locks; preset combination locks where the code can't be changed and resettable combination locks where you can reset the lock to your desired code.
Other Terms You May See
- Laminated Steel
- Layers of hardened steel are stacked together to create a strong lock body that's resistant to physical attacks.
- Solid Brass
- Naturally corrosion resistant and ideal for outdoor use, marine environments, and humid climates.
- Discus Lock
- A round lock with very little exposed shackle, making it much harder for bolt cutters to gain leverage. Discus locks are a popular choice for storage units.
- Long Shackle
- Provides extra clearance when locking around larger hasps, chains, or equipment.
- Covered Keyway (Cylinder Cover)
- A protective cover over the key cylinder helps keep out rain, dirt, dust, and debris. This is especially valuable for outdoor locks exposed to the elements, as it helps prevent corrosion and keeps the lock operating smoothly over time.
Choosing the Right Brinks Padlock
The easiest way to shop Brinks padlocks is to ask two questions:
- What am I protecting?
- How valuable is it?
From there, use the packaging to compare:
- Security Level
- Cut strength
- Weather resistance
- Shackle material
- Special features like keyed alike, TSA acceptance, or shielded shackle
The result is a lock that's matched to your needs—not underbuilt for the job or more lock than you need.
Secure with Confidence
Brinks has been helping protect homes, businesses, and personal belongings for generations. By understanding the security level, packaging icons, and product features, you can quickly compare options and choose the right padlock for every application—from basic everyday deterrence to commercial-grade protection.