If keeping your valuables in a safe spot is a concern, you can check out our list of the best locks for storage units to secure them. These locks are smartly designed for use at home and outdoors. The weatherproof mechanism of these locks prevents corrosion under extreme climatic conditions, and the padlocks help you set passwords and change them at your convenience. If you’re looking for a lock for your storage units to keep your valuable possessions safe, explore our list to choose the right one for yourself.

Types Of Locks For Storage Units

Locks for storage units can be grouped under six types.

11 Best Locks For Storage Units

1. Best Easy To Carry:Puroma Combination Lock

Puroma is a four-digit lock that offers 10,000 combinations. The shackle has a diameter of 0.25in, and the lock is suitable for gymnasiums, schools, toolboxes, etc. A numeric combination makes it easy to reset your preferred number and avoid the hassle of carrying keys. When setting the combination, the side window allows you to view it easily. This mini-sized black lock is made of zinc and alloy and comes in a pack of two. Watch this video of the product for more information. Pros

Compact design Lightweight Easy to carry Easily readable 

Cons

Small tooth engagement

2. Best Flexible:Master Lock Padlock

Master Lock is one of the best outdoor and indoor padlocks and is most suitable for storage units, sheds, or gate locks. It uses a black vinyl-covered aluminum body to make it corrosion- and scratch-resistant. For more convenience, it offers a padlock with two matching color keys. The diameter of the shackle is 0.25in, making it compatible with most locking holes. The four-pin cylinder prevents prying, and the dual locking levers prevent hammering. Go through this video review for a detailed understanding of the product. Pros

Lightweight Sturdy Flexible Compact design Four-pin cylinder

Cons

May be hard to open at times

3. Best Sturdy:Kurtzy Heavy Duty Padlock

The unique D-shaped Kurtzy lock, made of hardened steel and weighing 850g, is the perfect solution for securing industrial containers and heavy gates. The shackle measures 0.47in, which is the ideal size for most latches. It offers you multiple spare options with four keys. Pros

Sturdy Easy-to-use Compact design Durable

Cons

May not be rust-resistant

4. Best Weatherproof:Brinks Padlock

Brinks lock is a high-security padlock with a stainless steel body, ideal for securing lockers, sheds, and toolboxes. The circular design minimizes shackle exposure and protects against cutting, while the four-dial combination provides you with higher security. The single steel bar locking mechanism makes it pick-resistant. Pros

Durable Sturdy Weatherproof Easy-to-carry

Cons

Numbers may be stiff to rotate

5. Best Pick-Resistant:Schlage Padlock

Schlage high-security lock has a six-pin brass cylinder with a polished finish. It is a universal latch, compatible with most locking holes. The diameter of the molybdenum steel shackle is 2.5in, which provides heightened security. The round-shaped hardened solid steel padlock comes in a pack of two, including four identical keys. Pros

Sturdy Durable Pick-resistant Thick shackles Lifetime warranty

Cons

Delicate keys

6. Best Easy-To-Use:Daygos Disc Padlock

Daygos disc padlock provides 10,000 combinations, making it pick-resistant and suitable for almost all applications. Since it is a keyless lock, you don’t have to worry about losing the keys. The circular shield design minimizes the exposure of the shackles. The sliding buttons are easy to operate and protect your thumb from injuries. The product comes with an after-sale guarantee. The shackle is 0.38in in diameter, perfect for most latches. Pros

Anti-rust Anti-corrosion Sturdy Easy-to-use

Cons

Numbers on the dial may be hard to see

7. Best Anti-Corrosion:Sanxi Disc Padlock

Sanxi stainless steel disc padlock, weighing 250g, is ideal for gates, storage units, lockers, etc. The shackle, measuring 0.95in in diameter, is made of hardened steel for higher security and is compatible with most latches. The minimal exposure of the shackle makes it anti-pry. The four-digit dial allows you to set a password in 10,000 combinations. Pros

Anti-saw Sturdy Anti-rust Easy to use Anti-corrosion

Cons

Difficult to put through chains

8. Best Rustproof:Tuff4ever padlock

Tuff4ever is a heavy-duty padlock built to withstand maximum weather resistance. The 304 stainless steel provides a superior cut and makes it pry-resistant. The shackle’s circular shield design is 0.25in in diameter, reducing the risk of shackle exposure. The solid brass tumbler has a five-pin cylinder, and the black rubber bumper protects the body from scratches. It is constructed with high-quality inner components and comes with three keys. Pros

Waterproof Anti-corrosion Long-lasting Rust-proof Sturdy

Cons

Maybe stiff to lock

9. Best Easy-To-Operate:FJM Security Padlock

If you are looking for a perfect keyless solution, FJM Security padlock is the right choice. The four-dial combination disc padlock is suitable for security gates, bikes, storage units, etc. Its unique shape and design protect it from theft, bolt cutters, and intrusive tools. With more than 10,000 password combinations, the padlock offers maximum security. The lock’s exterior is made of 304 stainless steel material,  making it suitable for heavy-duty outdoor applications. Pros

Easy-to-operate Anti-rust Anti-pry Sturdy Long-lasting

Cons

Numbers may be hard to turn

10. Best Waterproof:Jin Jin Combination Padlock

Jin Jin lock is a five-position combination padlock with a long handle, ideal for door handles, file cabinets, gym lockers, etc. The high-security padlock offers 100,000 password combinations for higher security. The cast metal body is made of zinc alloy material, making it durable. The 2.75in long handle makes it ideal for most latches. The lightweight lock is small and portable. Pros

Easy-to-use Durable Anti-rust Waterproof

Cons

The combinations may not hold up well

11. Best Bump-Resistant:Commando Heavy Duty Padlock

Commando provides this military-grade padlock manufactured to suit aerospace tolerance for high security. A highly secured cylinder with ten security pins prevents theft and breakage, while the riveting interlocking structure and re-curved design protect it from hammer blows. The steel-alloy shackle is ideal for doors, storage containers, cabinets, and gun cases. It comes in a pack of two with four keys. Pros

Made of dual-hardened steel Weatherproof Sturdy Anti-saw Long-lasting Bump-resistant

Cons

Coating may not be durable

How To Choose The Right Lock For Storage Unit

Before purchasing a lock for your storage unit, consider the following points.

Why Trust MomJunction?

Your storage units may consist of important documents, ornaments, and other things that need to be kept safe. A good locking system would help keep your possessions safe and secure. To purchase an appropriate lock for your requirement, consider the security level you expect and choose the size and design accordingly. From Bluetooth to combination locks, our list of the best locks for storage units includes various durable, easy-to-operate, and long-lasting options for optimal security.

Disc lock, Keyless combination lock, or Heavy-duty padlock

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