The 9 Best Locks For Storage Unit – Review Of 2021

Secure your valuables with one of the best lock for storage unit to enjoy an easy installation. Most designs are easy to use and usually made from hardened metal such as steel. This will protect your goods against prying, sawing, and even drilling to keep thieves away. Not only that, but also the body is thick enough to withstand pressures caused by tampering and environmental changes. If you want to secure your residential or commercial supplies with a reliable accessory, you are in the right place. In this article, we look at the best lock for storage unit in 2021.

The Best Locks For Storage Unit In 2021

Last update on 2022-06-28 at 02:51 (UTC+0) / Affiliate links / Images from Amazon Product Advertising API

#9. Wide Body Laminated Steel Padlock

SEPOX Padlock, 1-9:16 Wide Body Laminated Steel Padlock

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Get value for money with this set of padlock that costs less than the other brands. It contains two pieces for you to secure different objects or use one as a backup in case of damage. You can protect your gate, fence, workshop, shed, storage locker, garage, and even toolbox. Another thing this best lock for storage unit comes with the laminated steel. It has a beautiful appeal that improves the overall design of this accessory. Not only that but also the wide 1-9/16″ steel body with a long shackle improve valuable protection.

We love the dual-locking levers that offer amazing pry resistance for intruders to stay away. Besides, this item’s 4-pin cylinder improves security while the keys open it quickly. Note that the keys have a premium nickel plating to resist rust and enhance the aesthetic appeal. There’s no need to worry about sawing and cutting when you are away from the storage unit location.

  • Value for money
  • Two locks per pack
  • Locks a variety of items
  • Wide steel body
  • Improves protection
  • Average quality

#8. Hidden Shackle Locks

Master Lock Hidden Shackle Locks Keyed Alike 6271KA-3

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By: Master Lock

These three padlocks provide high security for industrial applications. With a keyed alike design and six total keys, you can secure your storage units more efficiently. Also, the zinc die-cast body measures 73mm wide for added safety. Lock your vending, transportation, storage, and other valuables easily. What’s more, this device is good-looking and durable to guarantee extended use. The shackle measures 9mmA x 15mmB x 44mmC for more security. Not only that, but also the body hides the chain for added discretion to keep thieves from tampering with the lock.

Furthermore, this device has a fully-shielded diameter measuring 9mm made from hardened boron alloy. It offers excellent pry and cut resistance features to keep the supplies secure. Whether you use this lock in cold or high temperatures, it will not corrode for added user convenience. The cylinder of this best lock for storage unit has a 6-pin re-keyable design with spool pins to prevent lock picking.

  • For industrial applications
  • It uses a keyed-alike design
  • Strong and durable shackles
  • Pick and tamper resistance
  • The body hides the chains
  • The lock mechanism does not open smoothly

#7. 55mm Rekeyable Padlock

Abus 83CS:55-300 Zero-Bitted S2 Schlage 55Mm Rekeyable Padlock

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Another best lock for storage unit we have is from the ABUS company that has a unique German-engineered design. It has the perfect dimension to simplify installation as well as set up when locking your valuables. Not only that but also the shackle and body are constructed from hardened steel with premium plating. This makes it resistible to corrosion and rust as you secure your indoor and outdoor units. At the same time, you can enjoy your travels knowing your valuables have full-protection.

With one key per lock, there’s no worry about lock tampering when you are away. In addition, the keyed different Z bar offers a 2 in 1 function by converting the key retaining mechanism to a non-key retaining in seconds. Furthermore, this gadget comes with a shackle guard that restricts unauthorized access. It protects the hardened shackle from attacks such as drilling and sawing.

  • German-engineered
  • Simple and quick installation
  • Resists corrosion, prying, and rust
  • Hardened steel body
  • Keeps valuables safe
  • Some users complain about a ‘made in China’ sticker

#6. Metal Shackle Padlock

Master Lock 930DLHPF Padlock, 2-Inch Shackle, Metal

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By: Master Lock

Manufactured in China, this best lock for storage unit is easy to use for securing your valuables. Featuring a removable cylinder, it allows replacing or re-pinning of the device. Not only that but also it comes with over 9,000 key changes to offer maximum pick-resistance. Now your item stays safe when you are away to eliminate the worries about tampering. Another thing we like is the dual-bearing locking system that comes in handy to safeguard from hammering and prying.

In addition, this device supports a wide application, whether at home or outdoor location. Use it to secure your residential gate, fence, shed, storage locker, garage, tool crib, tool chest, and even sporting equipment. The diameter of the shackle is wide enough to fit some storage units for an easy installation. Made of premium metal, the body is hardened to improve safety valuables. It will not rust or corrode as the rest for more user value. Priding a simple style, this product is easy to handle for all people, from teens, adults up to the elderly.

  • Removable cylinder allows re-pinning
  • Over 9,00 key changes
  • Safeguards from prying
  • Easy installation
  • Durable design
  • The shackle’s diameter does not fit some storage units

#5. Triple Chrome Plated D-Shaped Security Padlock

FJM Security SPSA80-KA 3-1:8 Triple Chrome Plated D-Shaped Security Padlock

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By: FJM Security

If you have valuables in any marine or outdoor environment. The FJM Security lock is a reliable security choice. With hardened steel, it is durable as the triple chrome plating prevents corrosion and other damages. Besides, this device uses the heel-toe locking system with a rotating steel shackle. This leaves no weak spots to keep thieves from sawing or cutting into the body. We take note of the D-shape design, making it ideal for securing storage units, gates, and containers. The chrome exterior provides a reliable weather-resistance service for added durability.

This device comes with four European style keys that are unique and use the key retaining mechanism. What this means is that you can remove the key from your padlock when you twist it to its locked position. Its keyed alike structure ensures all the four keys can unlock this item and prevents carrying all of them all the mime. You can leave some at home or give loved ones in case of misplacement.

  • For marine environments
  • Durable triple chrome plating
  • No weak spots
  • Secures storage units and gates
  • Weather-resistance body
  • Lacks a break drill insert

#4. Indestructible Padlock

American Lock A700D, 2-1:2

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By: American Lock

We love this American lock’s strength that makes it virtually indestructible. Boasting a solid steel body and hardened chrome plating, it resists corrosion, cutting, and sawing better than the other materials. What this means is simple and secure use for an extended time, whether indoors or outdoors. What’s more, the boron alloy steel shackles are an excellent addition to provide superior cut resistance. With 5-pin and 6-pin brass cylinders plus a dual ball bearing locking design, this device is ultra-safe. Not only to resist prying and pulling, but also picking. You can use it for sheds, security gates, van doors, trucks, construction equipment, and industrial machinery.

Furthermore, this device’s solid steel shackle height measures1-1/6 inches. Also, the pin cylinder’s diameter is 7/16″ while the horizontal clearance shackle is 15/16″ for more protection against lock tampering. This best lock for storage unit has a lovely finish for you to keep your valuables safe at all times. You can even buy one or two for your loved one to protect their possession at home or in other locations.

  • Indestructible design
  • Solid steel body
  • Resists corrosion
  • For outdoor and home
  • Easy to use
  • Complaints about surface rust

#3. Shrouded Hardened Steel Padlock

Stanley Hardware S828-160 CD8820 Shrouded Hardened Steel Padlock

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By: Stanley

The Stanley company has joined the top brands that create among the best lock for storage units. This one is made from hardened steel suitable for home and professional use. It offers top-level and longlasting protection as well as improved appeal for all areas. What’s more, its solid body prevents theft from drilling and sawing for you to go on about your business with added peace of mind. It’s compact and weighted enough to encourage smooth use.

With a removable cylinder, this 24/7 lock lets you key-alike or re-key as many times as you want. Also, note that the barrel is 6-pin and has anti-pick pins for added safety to valuables. The use of ball bearings made of dual stainless steel can resist pry attacks better than the rest. Moreover, a Key-way cover comes in handy to safeguard against drilling. Now you can use this accessory to secure your storage unit in a demanding project or job site. Although the shackle is strong and thick, some users complain about not fitting through some locker opening.

  • Hardened steel
  • For home and professional areas
  • Solid and durable body
  • Prevents drilling and sawing
  • Thick and sturdy shackle
  • The shackle is thick

#2. Stainless Steel Padlock

ABUS 20:70 Diskus Stainless Steel Padlock Keyed Different

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The next best lock for storage unit is the ABUS for durability and appeal. It s made in Germany using quality raw materials to ensure you enjoy an extended use. Not only that, but also the outside and inside are designed from stainless steel. This metal is robust, reliable, anti-rust, and also wear-proof suitable for outdoor and indoor places. In addition, this gadget’s Diskus Deep Welding mechanism offers maximum strength. This will prevent thieves from drilling or sawing into the body, hence more protection.

Featuring a unique ABUS-Plus disk cylinder, it has a solid and steady design that adds security. Not only to protect against theft but also manipulation. This device comes with a variety of key variations to avoid code tampering or quick guessing. Note that the structure is anti-pull and anti-drill for you to lock your storage unit, locker, and more objects. Moreover, its anti-cut plate improves security as you go to work or on a long trip.

  • Maximum strength
  • Rust-proof and anti-drill
  • Easy to use
  • Improves security
  • Multiple key variations
  • The shackle is a bit hard

#1. 4 Digit Combination Lock

Padlock - 4 Digit Combination Lock for Gym

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By: desired tools

You can invest in this padlock that works on multiple items to give you maximum versatility. It’s ideal for an employee, school and gym lockers, hasps, outdoor fences, and storages. Protecting your valuables is now cheaper and easier for any person to enjoy. Made of quality metal and steel, this item is an all-weather gadget. You can use it indoors or outdoors to add safety to supplies. Not only that, but also the materials are strong to extend the lifespan of this lock.

In addition, we like the 10,000 unique combinations you can set to prevent theft or tampering. At the same time, it discourages intruders from cracking the code. Besides, it’s a key-less re-settable combo that does not require the use of a physical key. Boasting a black finish, its visibility is at its lowest but also keeps the stored valuables safe. The numbers are large enough to promote an easy read and setting of a personal code. Select a color apart from black to enjoy nice lock coordination with the stored unit.

  • Well built
  • Multiple colors
  • 10,000 combinations
  • Easy to set
  • Good looking
  • The shiny background creates a glare


Whether you have stored goods at home or a professional workplace, you can use the best locks for storage unit to improve safety. The many designs in the market have different shapes, sizes, appearances, and also construction. For instance, some have over 10, 000 lock combinations to prevent thieves from tampering with the lock. Others are made from stainless steel that resists rust and corrosion easily. This device is easy to use and requires zero skills to operate. You can secure your garage, shed, or barn door when away for work or travels. Plus, picking one of the best lock for storage units will give you peace of mind during travels.

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