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Both shackle strength and material play a crucial role in thwarting forced entry attempts.

Collage of the Abus Diskus Steel Padlock on a blue background

The Spruce

Each lock comes with two keys and a unique code, which is required to make a replacement key.

The portable convenience, combined with standout security features, makes it a good option for securing bicycles.

Lightweight and compact, its ideal for securing school and gym lockers.

Abus 20/70 Diskus Stainless Steel Padlock

PHOTO: Amazon

Offering keyless convenience, you’re free to set your own four-digit confirmation code.

you could also easily reset the combination as often as you like.

With 10,000 possible combinations, its tougher to crack than three-digit locks.

Desired Tools 4 Digit Combination Padlock

PHOTO: Amazon

A stainless steel plate at the bottom prevents thieves from manipulating the keyhole.

This padlock is almost impossible to break, as it can resist 12.5 tons of pulling pressure.

Before purchasing, confirm this padlock is a proper fit for your intended purpose.

ABUS Granit 37/80 Heavy Duty Hardened Steel Padlock

PHOTO: Amazon

It also has a four-pin cylinder and a dual-ball locking mechanism for better protection against picking and prying.

A covered keyway provides additional protection against weather damage, though the lock may still seize in freezing temperatures.

These components make this padlock well-suited for gates,outdoor sheds, and other storage needs.

Master Lock Magnum Heavy Duty Outdoor Padlock

PHOTO: Amazon

However, the heavy-duty construction will make the task a lot harder.

This padlock is an ideal choice for those who prefer the simplicity of keys over combinations orsmart technology.

This lock holds up well in most outdoor environments thanks to its solid die-cast steel construction.

Master Lock 178D Set Your Own Combination Lock

PHOTO: Amazon

However, the dials can be difficult to move in freezing temperatures.

It also has an anti-pry double-ball locking mechanism, which can withstand more than 4 tons of pulling pressure.

That’s a lot, but ourbest high-securitypick can withstand 12 tons if you need additional security.

Kawaha 21/50KA-3K High Security Stainless Steel Shrouded Padlock

PHOTO: Amazon

That said, it will likely be too wide for school or gym lockers.

Thanks to its compact size, its ideal forfences, gates, sheds, and storage units.

The tough steel shackle protects against prying and cuttingplus it features an anti-shim locking mechanism.

Master Lock Outdoor Bluetooth Smart Lock with Keypad

PHOTO: Amazon

It also has a taller bolt than other options like ourbest heavy-dutypick if you need more clearance.

This lock comes with a two-piece weather-resistant cover, making it suitable for outdoor use.

You also have the option to disable Bluetooth to prevent unauthorized access temporarily.

Megafeis Bluetooth Fingerprint Padlock

PHOTO: Amazon

Padlocks equipped with smart technology have some drawbacks.

Setting up the app can be challenging for those who arent tech-savvy.

However, this lock has a directional keypad that allows for backup access.

This lock is powered by a 150MAH lithium-ion battery, which is charged with the included USB cable.

According to the manufacturer, the battery can support up to six months of standby time or 2,500 unlocks.

The lock is made of stainless steel to resist tampering.

Despite its IP65 weatherproof rating, its not recommended for extended outdoor use.

We included padlocks with keyed, combination, and smart locking mechanisms to suit individual needs and preferences.

We also made sure to recommend weather-resistant padlocks that are well-suited for outdoor use.

As the name implies, a keyed padlock requires a key to pop swing open the lock.

Combination padlocks consist of small discs called cams, which have a series of numbers imprinted on them.

Once you turn the cams and line up the correct number, the shackle will open.

Smart padlocks offer advanced technology that lets you unlock them with your phone or a fingerprint.

Security Features

There are certain features that make a padlock less vulnerable to theft.

A padlock with a double-bolt or double-ball locking mechanism will deter pick and prying.

It can also resist 12.5 tons of pulling pressure, making it almost impossible to break.

This ensures a longer lifespan for the padlock and reduces the likelihood of failure.

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