9 Best lock for storage units of 2025

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Best Choice

1

Master Lock
Master Lock Magnum Heavy-Duty Stainless-Steel Discus Padlock with Keys, Keyed Alike Heavy Duty Storage Lock for Indoor or Outdoor Use, M40XKAD
Main highlights

Key Features
Tough-Cut octagonal boron-carbide shackle, 50% harder than steel, four-pin cylinder for pick resistance, reinforced body for scratch resistance.

Ideal Use Cases
Perfect for storage units, garages, sheds, trailers, and moving trucks, offering maximum security in both indoor and outdoor environments.

Customer Praise
Most reviews highlight its exceptional durability and resistance to bolt cutter attacks, appreciating the added security it provides.
9.7

Exceptional

Our Rating

8.2
Durability

8.0
lock easily

8.0
Lock Feature
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Value for Money

2

BRINKS
BRINKS Heavy Duty Padlock with Key - 70mm Discus Keyed Lock for Storage Shed, Garage, Storage Lockers, Sliding Doors, Tool Box, and Cabinets
Main highlights

Stainless Steel Discus Padlock Features
Brink's padlock has a 70mm body, stainless steel shackle, shielded design, rubber bumper, and four-pin brass tumbler cylinder for enhanced security.

Ideal Usage Scenarios
Perfect for storage lockers, sheds, truck work boxes, and construction site storage, offering robust protection against cutting and prying.

Most Praised Feature
Customers appreciate the sturdy build and weather resistance, making it ideal for various storage needs and providing confidence in its security.
9.6

Exceptional

Our Rating

9.3
Security

8.7
Lock Feature

8.7
worth the money
3

Puroma
Puroma Keyed Padlock, Stainless Steel Discus Locker Lock Heavy Duty Locks with 3 Keys, Waterproof Outdoors Gate Storage Unit Lock with 3/8 Inch Shackle for Warehouse, Gym Storage Locker (1 Pack)

25% Off
Main highlights

Ultimate Protection
The padlock features a high-security mechanism with minimal shackle exposure, resisting bolt-cutter attacks and enhancing security.

Versatile Applications
Ideal for securing storage units, garages, sheds, trailers, outdoor gates, and more.

Highly Praised Durability
Customers appreciate its resilience against physical attacks and corrosion, ensuring long-term reliability.
9.3

Excellent

Our Rating
4

Master Lock
Master Lock Magnum Heavy Duty Outdoor Padlock with Key, Weather Resistant Body and Cut Resistant Shackle make Lock Perfect for Fences, Gates, Sheds, M115XDLF
Main highlights

Dual Armor Construction
Features a laminated steel body with a weather-resistant cover for enhanced durability.

Outdoor Versatility
Ideal for outdoor storage, fences, lockers, and job boxes.

Sturdy Build Quality
Praised for its solid, heavy-duty feel and reliable protection.
9.2

Excellent

Our Rating

9.9
lasts a long time

9.7
worth the money

9.5
Durability
5

QWORK

QWORK Disc Locks, 1 Pack Heavy Duty Steel Keyed Padlock Disc Storage Locks for Storage Unit, Moving Trailers, Shed, Fence, 3/8" Shackle
8.9

Very Good

Our Rating
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6

DELSWIN
DELSWIN 4 Digit Combination Disc Padlock with Hardened Steel Shackle Combo Lock for Sheds, Storage Unit, School Gym Locker and Fence (Black,1Pcs)

17% Off
Main highlights

Sturdy and Durable Construction
The lock body is made with a strong alloy material, offering maximum rust, drill, and tamper resistance, ensuring years of reliable use.

Versatile Outdoor and Indoor Use
Ideal for storage units, fences, garages, sheds, trailers, outdoor gates, warehouses, moving trucks, and gym lockers, fitting padlock eyes of at least 3/8 9.5mm diameter.

Easy to Set and Use Combination
Customers praised the ease of setting a new combination and the smooth operation of the lock, eliminating the need for keys.
Key specs
- shape:Round
- material:Steel
- usage:Inside and Outside
- lock:Combination Lock
- style:Disc Combination Lock
8.7

Very Good

Our Rating

9.9
Waterproof

9.7
Durability

9.3
Simple to use
7

DAYGOS
DAYGOS Outdoor Padlock for Storage Unit, Waterproof Stainless Steel Disc Lock with Rubber Bumper for Sheds,Gate and Fence, Heavy Duty Discus Keyed Pad Lock (3/8-Inch Shackle)
Main highlights

Key Features
High security with round shielded design, stainless steel construction, and 4-pin brass cylinder. Weatherproof and includes 3 keys.

Ideal Use Cases
Perfect for securing storage units, lockers, garages, sheds, gates, warehouses, trailers, and trucks in both indoor and outdoor settings.

Customer Reviews Highlight
Most praised for its durability and resistance to rust and corrosion, ensuring long-lasting security and performance.
Key specs
- size:1 Pack
- color:black and silver
- material:Stainless Steel
- lock type:dicsus keyed padlock
- usage:for storage units, locker
8.6

Very Good

Our Rating

9.9
Simple to use

9.1
worth the money

8.9
Durability
8

Master Lock

Master Lock Pink Covered Aluminum Keyed Padlock with Steel Shackle, Lock for Gym or School Locker with 1-9/16 Inch Lock Body, 146D

14% Off
8.5

Good

Our Rating

9.7
lock easily

9.5
worth the money

9.1
Lock Feature
9

Diyife
Diyife Heavy Duty Combination Padlock, Large Outdoor Padlock [One-Touch Unlocking] High Security Weatherproof, Design of Hidden Password Suitable for Locker, Home, School, Garage, Gate, Garden
Main highlights

Weather Resistant Durability
Proven resistance against harsh conditions with 304 stainless steel and salt spray test.

Versatile Outdoor Use
Ideal for securing gardens, fences, garages, and more.

Convenient Unlocking Mechanism
Praised for its easy one-touch unlocking design.
Key specs
- shape:Square
- material:Stainless Steel, Alloy
- usage:Security
- lock:Heavy Duty Outdoor Padlock
- style:LOCK
8.4

Good

Our Rating

9.5
Lock Feature

9.1
Waterproof

8.9
lock easily

9 Best lock for storage units of 2025

1

Master Lock Magnum Heavy-Duty Stainless-Steel Discus Padlock with Keys, Keyed Alike Heavy Duty Storage Lock for Indoor or Outdoor Use, M40XKAD

8.2

8.0

8.0

How do we rank?

How do we rank?

Analyzing top stores

2

BRINKS Heavy Duty Padlock with Key - 70mm Discus Keyed Lock for Storage Shed, Garage, Storage Lockers, Sliding Doors, Tool Box, and Cabinets

9.3

8.7

8.7

3

Puroma Keyed Padlock, Stainless Steel Discus Locker Lock Heavy Duty Locks with 3 Keys, Waterproof Outdoors Gate Storage Unit Lock with 3/8 Inch Shackle for Warehouse, Gym Storage Locker (1 Pack)

4

Master Lock Magnum Heavy Duty Outdoor Padlock with Key, Weather Resistant Body and Cut Resistant Shackle make Lock Perfect for Fences, Gates, Sheds, M115XDLF

9.9

9.7

9.5

5

QWORK Disc Locks, 1 Pack Heavy Duty Steel Keyed Padlock Disc Storage Locks for Storage Unit, Moving Trailers, Shed, Fence, 3/8" Shackle

6

DELSWIN 4 Digit Combination Disc Padlock with Hardened Steel Shackle Combo Lock for Sheds, Storage Unit, School Gym Locker and Fence (Black,1Pcs)

9.9

9.7

9.3

7

DAYGOS Outdoor Padlock for Storage Unit, Waterproof Stainless Steel Disc Lock with Rubber Bumper for Sheds,Gate and Fence, Heavy Duty Discus Keyed Pad Lock (3/8-Inch Shackle)

9.9

9.1

8.9

8

Master Lock Pink Covered Aluminum Keyed Padlock with Steel Shackle, Lock for Gym or School Locker with 1-9/16 Inch Lock Body, 146D

9.7

9.5

9.1

9

Diyife Heavy Duty Combination Padlock, Large Outdoor Padlock [One-Touch Unlocking] High Security Weatherproof, Design of Hidden Password Suitable for Locker, Home, School, Garage, Gate, Garden

9.5

9.1

8.9

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