10 Best locks for storage units of 2026

Save up to 25% off

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

11% Off
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.
9.6

Exceptional

Our Rating

8.2
Durability

8.0
lock easily

8.0
Lock Feature
How do we rank?

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Value for Money

2

RI-KEY SECURITY

RiKey Security - Storage Cylinder Lock with 3 Tubular Keys for Roll-up Door Unit Secure 19mm
9.4

Excellent

Our Rating
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.
9.1

Excellent

Our Rating
4

QWORK

QWORK Disc Locks, 1 Pack Heavy Duty Steel Keyed Padlock Disc Storage Locks for Storage Unit, Moving Trailers, Shed, Fence, 3/8" Shackle
8.8

Very Good

Our Rating
5

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.
8.7

Very Good

Our Rating

9.9
lasts a long time

9.7
worth the money

9.5
Durability
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6

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.
8.6

Very Good

Our Rating

9.9
lasts a long time

9.7
worth the money

9.5
Durability
7

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.
8.3

Good

Our Rating

8.2
Durability

8.0
lock easily

8.0
Lock Feature
8

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

18% 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
8.1

Good

Our Rating

9.9
Waterproof

9.7
Durability

9.3
Simple to use
9

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
- color:black and silver
- material:Stainless Steel
- size:1 Pack
- lock type:dicsus keyed padlock
- usage:for storage units, locker
8.0

Good

Our Rating

9.9
Simple to use

9.1
worth the money

8.9
Durability
10

Master Lock
Master Lock 40D Stainless Steel Discus Padlock with Key
Main highlights

Key Features
Stainless steel construction, hardened steel shackle, 4-pin cylinder, dual locking, and shrouded design for ultimate strength and security.

Ideal Use Cases
Perfect for securing storage units, garages, sheds, and trailers, offering robust protection against picking, prying, and bolt cutter attacks.

Customer Praise
Reviewers highly value the lock`s durability and reliability, often highlighting its resistance to weather and theft attempts as top benefits.
Key specs
- color:Silver
- material:Stainless Steel
- size:1 Pack
- lock type:4-pin cylinder and dual locking lever mechanism
- usage:Security
7.9

Good

Our Rating

9.1
Lock Feature

9.1
Durability

8.2
worth the money

10 Best locks for storage units of 2026

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

RiKey Security - Storage Cylinder Lock with 3 Tubular Keys for Roll-up Door Unit Secure 19mm

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

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

5

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

6

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

7

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

8

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

9

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

10

Master Lock 40D Stainless Steel Discus Padlock with Key

9.1

9.1

8.2

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