Best locks for storage units

Best Locks For Storage Units Reviews 2019 (Updated)

There are so many reasons to invest in a storage unit. You might be moving houses, and you need a place to keep your things while you complete the transition.

Or maybe you have a home for all your belongings, but you need to declutter, and your garage doesn’t have space to house all your junk.

It doesn’t matter why you need a storage unit. These structures can serve a multitude of purposes, which is why you must secure them effectively.

For ensuring the security we have to select the best locks for storage units. Without selecting the right lock for the storage unit we can not secure our valuables. So, we need to know what kind of lock for storage unit are available in the market to buy. 

Millions of people use storage unit every year.And most important think of a storage unit is it's lock. For maintaining optimum level of security storage unit owner's generally using standard level of locks. Now, we have shown a comparison table of top 12 storage units locks.

12 Best Locks for storage Units Comparison Table

Rank

Name

Image

Features

Warranty​​​​​

Buy

#1

Padlock - 4 Digit Combination Lock by desired tools

  • 10,000    combinations
  • Weather proof lock
  • durable and sturdy lock

30 Day Money Back Guarantee

#2

ABUS 20/70 Diskus Stainless Steel Padlock Keyed Different

  • Stainless Steel build
  • Deep Welding Technology
  • It uses a disk detainer

provided by the Manufacturer

#3

Stanley Hardware  Shrouded Hardened Steel Padlock

  • 360-Degree Defensive Mechanisms
  • hardened steel body
  • It uses keyway cover

provided by the Manufacturer

#4

Master Lock 170D combination padlock

  • Combination Mechanism
  • cut resistant thick shackle 
  • Weather proof

provided by the Manufacturer

#5

Fingerprint Padlock, Bluetooth

  • Bluetooth Biometric Lock
  • Long lasting battery
  • To open APP or 15 different fingerprints options available

Free return within three months 

#6

ABUS 92/80 Monoblock Solid Brass Padlock

  • eight-pin precision brass cylinder 
  • chrome plated steel body and shackle
  • very long lasting

Contact the Manufacturer

#7

​Master Lock 930DLHPF Padlock

  • Corrosion Resistant. Solid Steel Body
  • Dual Ball Bearing Locking
  • hard boron alloy shackle

Limited Lifetime Warranty

#8

​Master Lock Padlock Outdoor Bluetooth Lock

  •  Smartphone Alert system 
  • Suitable for all weather 
  • Multiple access option without multiple key

01 year

#9

​ABUS 37/80 Granit Alloy Steel Padlock

  • Hardened Steel body
  • Key-Retaining Features 
  • Tensile Resistant

provided by the  Manufacturer

#10

​Kwikset 50MM SmartKey Padlock

  • Key Retaining Feature
  • hardened molybdenum body 
  • Stylish

provided by the  Manufacturer 

#11

​Master Lock Padlock Titanium Series Stainless Steel Lock

  • stainless steel body
  • Shrouded Design
  • Dual Locking levels

Full Warranty

#12

Brinks 673-70001 Commercial Discus Lock with Stainless Steel Shackle

  • Stainless steel shackle and body
  • Black rubber bumper cover 
  • Round Shielded design

Visit Manufacturer Website

#13

Master Lock 141D Covered Aluminium Keyed padlock

  • black vinyl-covered aluminum body
  • hardened steel shackle  
  • Four-pin cylinder 
  • dual locking system 

Limited Lifetime Warranty

10 best Locks for storage Units Reviews


 01. 04 Digit Combination Lock by Desired Tools

Product Specifications

Color : Blue, Red, Green, Silver

Dimensions: 3.62 x 2.2 x 1.02 inch

Weight: 5oz

combinations: 10,000 

Guarantee: 30 Day Money Back

Warranty : provided by the  Manufacturer 

The people at Desired Tools know their way around locks. And if you’re on the prowl for the best lock for storage unit, then you will appreciate this four-digit combination lock. It is so popular in the Amazon that it has over 4.5-star rating with around 5000 customer reviews. 

The manufacturer claims that they built this product to accommodate gym lockers, school lockers, fences, and storage units. That tells you that the lock has the capacity to survive in a variety of environments, both indoors and outdoors. So it doesn’t really matter whether your storage unit is located inside a building or if its entrance is exposed to the elements.

Desired Tools built the lock using zinc alloy and plated steel which contributes to its weatherproof attributes. So you need not worry about the product falling apart after being lashed by hot and cold weather.

The lock comes with an estimated ten thousand unique combinations that even the most dedicated thieves will struggle to crack. And yet, the process of setting your personal code is quite simple.The numbers are large and can be read with little effort. The manufacturer provides an extensive guide online detailing the process of configuring and re-configuring this lock.
So you don’t have to worry about forgetting your code and losing the contents of your storage unit. The people at Desired Tools have your back. 

Click here to see other best selling Combination locks on Amazon. 

  Pros

  • The Lock is weatherproof. It is designed to survive rain, the sun, and even snow.
  • The fact that the hasp is stainless steel means that it is unlikely to rust
  • The steel, metal, and zinc alloy ingredients make the lock durable and sturdy.
  • The combination is very easy to set and re-set.
  • The Lock comes in a variety of bright colors. So you are unlikely to misplace it.

Cons

  • The Manufacturer has been criticized for bombarding its customers with spam emails.

  It has a 30-day money-back guarantee for unsatisfied customers. The Manufacturer provides dedicated customer support staff that you can always consult over the phone or via email if you encounter any complications with their lock. So, do not hesitate to buy this product.


02. ABUS 20/70 Diskus Padlock

Product Specifications

Color : Stainless Steel color

Dimensions: 2.81 x 3.39 x 1.17 inch

Weight: 12 ounces

Warranty : provided by the  Manufacturer 

Disk locks are great padlocks. Their design is such that they only provide a small opening in the shackle and that makes them rather difficult to tamper with. The ABUS Diskus padlock takes the disk lock design and elevates it. Talk to anyone who has ever purchased this product. The stories will astound you.
One consumer on the internet had an ABUS lock on his storage unit but a gang of thieves still robbed him clean.

However, the ABUS lock wasn’t to blame. The thieves tried and failed to crack it. So they just twisted the part of the door to which it was attached out of the way.

Another consumer lost the key to his ABUS Lock. He hired a locksmith who had to use a rotary saw to remove the ABUS Lock. But the process took so much time and made so much noise that the consumer couldn’t imagine any thief daring to tamper with his storage unit in the middle of the night.

Simply put, ABUS storage locks are quite sturdy, and this one is no different. The entire product is stainless steel, not just inside but also outside. So rust isn’t an issue.
The key variations are too high for anyone to outmaneuver and the anti-cut plate will keep even drilling tools at bay. You can’t even pull the lock away using sheer force. Moreover, This lock has Diskus Deep Welding technology which can resist all lock cutting attack.

However, "ABUS" offers different dimensions for this Diskus padlock. The most familiar dimensions of ABUS Diskus locks are 24/70, 20/80,24/60,25/70. Some unfamiliar dimensions of this locks are also available in the market . But The ABUS 20/70 Diskus Padlock is the best selling padlock in the Amazon having a 4.5 star rating with over 300 reviews.

However, If you want to see all types of ABUS storage locks click here.

  Pros

  • This lock uses a disk detainer in place of pin tumblers. So it can’t be picked or bumped.
  • The Stainless Steel build will resist corrosion and rust.
  • The Lock can be retrofitted with cylinder pulling protection.
  • The lock makes too much noise when drilled or cut. So thieves can’t rely on power tools to break into your storage unit, not without alerting security personnel..

Cons

  • Finding replacement keys for this lock is very difficult. They must be shipped directly from Germany from where they are custom made.

  This Diskus padlock has Diskus Deep Welding technology deployed here gives the lock an abundance of strength. It will stand up to all none-electrical cutting tools and even a number of electrical ones. So, you should buy this ABUS 20/70 Diskus lock to secure your storage unit.


03. Stanley Hardware S828 Shrouded Padlock

Product Specifications

Size:  50mm and 60 mm width

Dimensions: 1.6 x 6.3 x 4.4 inches

Weight: 2.05 pounds

Warranty : provided by the  Manufacturer 

shackle clearance : 1 inch

There are few locks on the market today that are as beefy and solid as this one. Boasting a commercial six-pin cylinder and anti-pick pins, this lock has a powerful hardened steel body that will protect the contents of your storage unit even in the face of sawing and cutting tools.

The shackle is crafted from durable steel. The dual ball bearing locking system will combat any prying attempts the lock encounters. This lock is practically impenetrable, having been outfitted with comprehensive 360-degree defensive mechanisms.

Normally, finding the best padlock for storage unit takes a bit of work; you can’t just take the locks you find at face value. You have to thoroughly test them to determine what they are made of. But simply looking at this Stanley hardware product should  immediately convince you that this lock is something special. 

Moreover, "Stanley Hardware" produces two different types of locks. One is "Shrouded Hardened Steel Padlock" and the other is "Shrouded Laminated Steel Padlock". Both of these locks are rated at 4.5 stars out of 5.

  Pros

  • The lock is durable and sturdy
  • The Shackle will stand up to both electric and manual saws.
  • A keyway cover is provided to combat drilling
  • The re-keyable brass cylinder on offer is resistant to picking attacks. At the very least, you can trust the 6-pin core to slow down skilled thieves.
  • Considering its attributes, this lock is quite cheap

Cons

  • Finding or even getting a replacement key made is quite difficult. 

If You want a Hardened Steel Padlock with reasonable price that can resist all lock cutting attempt, then this lock is best for you.


04.  Master Lock 178D

Product Specifications

Color: Black

Dimensions: 1 x 2 x 2.91 inches

Weight: 4.8 ounces

Warranty : provided by the  Manufacturer 

shackle  : 8mm diameter .

The device has such a wide solid body. It exudes power, strength, and reliability. The manufacturer designed it to work as a gym, school, and gate lock.So that should tell you that it is suitable for both indoor and outdoor work. One consumer on Amazon claims to have exposed it to rain and salt water on multiple occasions.

Another used it to secure his gate. In both cases, the lock stood the test of time. It didn’t corrode, rust or wear out. So you can trust it to keep the contents of your storage unit safe regardless of its location.

The shackle is thick, built to withstand attempts to cut it. While every lock comes with a small key, the product actually uses a combination lock.

The key is used to configure the combination mechanism. Each product comes with a manual that will guide you through the process of setting your unique combination code.


The fact that there are thousands of possible numeric combinations means that even crafty thieves will have a hard time cracking the lock.

Master Lock 178D

Master Lock 178D

As we know, the "Master Lock" is one of the biggest storage lock producers in the world. It is currently selling around hundreds of different types of storage lock on Amazon. But this "178D master lock" is the cheapest and nearly 1600 customers already reviewed this product on Amazon.

  Pros

  • The combination mechanism makes the process of opening this lock quick and easy.
  • The shackle is thick and resistant to cutting attacks.
  • The body of this device is wide, strong, and durable. It can withstand extreme weather conditions
  • The thousands of possible numeric combinations add an extra layer of security

Cons

  • The lock comes with a small key made from metal so weak that it has a tendency to bend and warp.

  Most people are encouraged from birth to not judge a book by its cover. But you can’t look at this particular lock without immediately concluding that it is the best lock to secure your storage facility that Master Lock has ever made.


05. Fingerprint Keyless Padlock

Product Specifications


Lock Type: Bluetooth Biometric Lock

Color: Blue and gray mixed

Dimensions:5 x 3.5 x 1.3 inches

Weight: 3.52 ounces

Battery: polymer battery  (3.7V 130mAh )

Charging : By Micro USB

Unlocking system: APP or fingerprints 

Guaranty:Free return within three months

Warranty : Seller will provide this information. Contact the seller.

Standby time: 01 month

The combination lock was an innovative breakthrough when it was first introduced. And no one expected it to lose its value.
However, today, most conversations regarding the best lock for storage unit tend to emphasize the power of biometric technology, and that might explain why this WGCC lock is so popular. If you thought combination locks were convenient, then you will love this device which looks like a traditional padlock except that it has fingerprint technology.

You heard that right. With this WGCC padlock, your fingerprint is the key. Even the combination locks take time to open because you need to remember and then enter your code.

This padlock will open the second you apply your fingerprint. It comes with a rechargeable (3.7V 130mAh) polymer battery that will keep the padlock operational for the last 30 days. The body is built from an aluminum alloy that is as strong and durable as they come. The stainless steel latch hook  is also resistant to cutting attacks. The device is weatherproof, so you need not worry about rain or dust compromising the electronic components.

If the lock runs out of power, it will simply remain locked. Once you connect a power source, it will resume its operations immediately. In other words, you don’t have to worry about power supply complications exposing your storage unit to theft.

You can easily buy this lock to secure your unit as this lock offers you the bio-metric technology with a padlock. So that, you do not require any types of the metal key to open this lock since your finger works as the key. Consequently, this bio-metric system eliminates the necessity for storing the key to open the lock. 

Besides this storage lock, you can get other high rated fingerprint padlock in the market. But this "WGCC fingerprint padlock" has already rated 4-star and it has been reviewed by around 200 customers.

  Pros

  • This lock has a three months Free return policy. The Manufacturer will happily give you a refund if their product fails to deliver on its promises. That speaks to their confidence in the quality of their lock.
  • The Lock is weather and dust proof.
  • The battery is long lasting and rechargeable.
  • The lock has a cut-resistant body..
  • This lock works in tandem with an app that will allow you to manage access to your storage unit. You can determine who opened your lock and when they opened it.
  • You can record over a 15 different fingerprints. In other words, you can give other people access to your storage unit.
  • You have the option to use the APP or fingerprints to  unlock the lock. 
  • You can know the battery status from APP display.

Cons

  •  The app asks for way too much personal data during the installation and configuration process.

  • Only it is suitable for  Android and iOS system.

If you want to get the advantages of bio-metric technology with high level of security,then you should buy this lock.

06. ABUS 92/80 Brass Padlock

Product Specifications

Lock Type: 8 pin precision brass cylinder 

Color: Keyed Alike

Dimensions:3.7 x 2.7 x 1.2 inches

Weight:1.8 pounds

Warranty :provided by the  Manufacturer 

 Brass is a common ingredient in padlocks, especially in Europe. ABUS makes a lot of Brass padlocks. They come in a variety of shapes and sizes.When it comes to the lock for securing your self storage unit, though, one cannot deny the power of the 92/80 mono-block brass padlock.

ABUS chose to ignore all the frills and thrills that its competitors normally emphasize. This padlock is just that: a padlock, except that it is really strong.

This padlock is basically one solid block of steel and a lot of people have felt compelled to purchase it solely because of its visual aesthetic.  The makers designed it to resist bolt cutters. They also gave it a body that could weather the effects of corrosion, not to mention an eight-pin precision cylinder with 1000+ key variations. 

On its own, the padlock is quite heavy, clearly manifesting its sturdy and rugged build. Some questions have been raised about its somewhat hefty price tag. But for the most part, you get what you pay for.

  Pros

  • The numerous key variations availed by the eight-pin precision brass cylinder make hacking this lock a more difficult prospect.
  • The shackle is a thick piece of hardened chrome-plated steel that will effectively resist the power of bolt cutters.
  • The Body of the padlock is wrapped in a chrome plated steel jacket that will protect the product from the effects of extreme weather conditions. 
  • The padlock is designed to last a very long time.

Cons

  • The padlock has a large shackle that might be incompatible with the sizes of most storage unit latches.

This is an especial types of padlock with a high quality materials. This lock is strong and performs well against bolt cutter.


07.   Master Lock 930D

Product Specifications

Lock Type: Padlock

Color: Steel

Dimensions: 7.31 x 3.63 x 1.39 in

Weight:1.6 pounds

Shackle: 2 Inch 

Warranty :Limited Lifetime Warranty

This is a heavy lock, and probably the strongest product Master Lock has ever created. One consumer on Amazon testified to the fact that he had used the 930D to secure his bike in a dangerous street for three years.

In that time, it was exposed to snow, rain, and road salt. As a result, it rusted considerably. And yet, up to this day, it still works just fine.

Don’t let the surface appearance of this lock fool you. Yes, it doesn’t look particularly special and it lacks the bells and whistles of its rivals.

You won’t find any fancy combination locks or fingerprint systems here. And yet, you would be hard pressed to find a better lock for your storage unit.

The body is wide and solid and it will stand up to rust. It is also quite difficult to cut. The over nine thousand key changes make it practically impervious to picking attempts.

You can also check other highly rated master locks here.

  Pros

  • The lock is corrosion resistant
  • Its solid steel body will survive indoor and outdoor use.
  • The 5 Pin Tumbler Cylinder can be re-pined and replaced.
  • Dual Ball Bearing Locking will defend against prying and hammering.
  • The shackle is made from a hard boron alloy that is resistant to cutting and sawing attacks

Cons

  • At 11 mm, some people have complained that the shackle is too big to fit the latches of their storage units. 

It is one of the strongest locks that the manufacturer "Master lock" has ever made. So, If you need strongest lock for your storage unit, you should buy it.


08. Bluetooth Outdoor Lock by Master Lock

Product Specifications

Lock Type: Bluetooth Padlock

Color: Black

Dimensions: 5.29 x 2.22 x 1.1 in

Weight:12.5 ounces

Battery Info: 1 Lithium Metal batteries 

Warranty :01 year

Master Lock’s Bluetooth product is the future because it is a keyless padlock in every sense of the world. Once you purchase it, you also have to install a simple app.Once the app is configured, it will enable you to open your lock with the press of a button on your smartphone. 

In other words, you no longer have to worry about nefarious figures either stealing your keys or duplicating them.Your phone gives you complete control over the protection of your storage unit. You can give other people both temporary and permanent access to the lock, not to mention monitoring the people that tamper with it.

And yet, the power of this lock doesn’t just lie in its electronics. The boron carbide shackle is quite strong. It will stand up to cutting and sawing attacks.

Customers also get a weather cover that will keep the metal body safe from extreme weather conditions.

  Pros

  • This lock is suitable for use in all weather conditions. That means it will thrive even when applied to storage units whose entrances are located outside.
  • You can grant multiple individuals access to your storage unit without having to make multiple copies of your keys.
  • The lock alerts you via your smartphone every single time someone tries to tamper with your storage unit.
  • You can monitor the people going in and out of your storage unit.
  • The strength and defensive capabilities of this lock are further augmented by its anti-shim locking mechanism.
  • The battery can last up to five years depending on the version you choose to buy and the nature of usage.
  • ​ If the battery dies while the padlock is locked, a temporary power source is provided to enable you to unlock the product and access your storage unit even as you take steps to find a replacement battery.

Cons

  • The app has an ugly user interface. It is also a little confusing to navigate.

You can operate this lock from your mobile phone. The Bluetooth connectivity and integration of smartphone technology make this product very convenient and simple to use. You don’t even require Wi-Fi. So, Buy this lock to enjoy this easy technology.


09.   ABUS 37/80 Keyed Lock

Product Specifications

Lock Type: Granit Alloy Steel Padlock 

Color: Black

Dimensions: 3.1 x 1.5 x 3.1 inches

Weight:0.16 ounces

Battery Info: 1 Lithium Metal batteries

Shackle:  9/16” Diameter

Warranty :provided by the  Manufacturer 

This lock is expensive but you get exactly what you pay for. ABUS seems to have an affinity for padlocks that are essentially large, solid blocks.And this one is no different. You can tell that you will get great value for your money by simply looking at it. And as with most ABUS locks, the product lacks the gimmicky frills that other lock makers use to attract attention. 
This padlock requires a lithium metal battery but that is primarily for the luminous keys ABUS provides.Otherwise, you will get a simple lock with a tensile resistance of 25,000 pounds and a core-hardened body that will stand up to cutting, drilling and pulling.

Can you get through this lock through brute force? Definitely, but you will require a die grinder and that makes too much noise; bolt cutters won’t help you. So you can trust this lock with the contents of your storage unit.

  Pros

  • The lock has a bottom plate of hardened steel that will stand up to most physical attacks.
  • Key-retaining adds to the defensive capabilities of the lock.
  • The fact that the cylinder is inserted from the top means that drilling and pulling attacks are unlikely to succeed.

  •  When you open the padlock, the entire shackle comes out. This makes using the lock much easier, even with one hand.
  • The luminous keys simplify the process of accessing your storage unit in the dark.

Cons

  • The shackle might be too large for some storage units

If you want a lightweight but  hardened lock body with Key-retaining feature, then this lock is best for your storage unit.


10.    50MM SmartKey Lock by Kwikset

Product Specifications

Lock Type: SmartKey Padlock 

Color:Laminated Steel

Dimensions:2.6 x 1.5 x 4.1 inches

Weight:1.14 pounds

Shackle:  Long Shackle 50MM 

Warranty :provided by the  Manufacturer 


This Kwikset padlock from Taiwan doesn’t look like much but it will surprise you. After all, Kwikset has been making padlocks for over six decades. So they know what they are doing.

With the Smarkey Lock, you get convenience, protection, and durability. The padlock is made in such a way that you can very easily rekey it to make the lock compatible with the keys of any other smartkey lock.

In other words, the same key that opens the door to your house can also open the padlock that keeps your storage unit safe. Things can’t get any easier than that.

This lock is not only pick, hammering, and prying-resistant but it also has a stylish look.

  Pros

  • You can use the same key to open multiple locks..
  • The product has a key retaining feature that will prevent you from accidentally dropping or losing your keys in inconvenient places, such as inside your storage unit after you lock up
  • The device is protected from hammering and prying attacks by the dual ball bearing mechanism.
  • The shackle is made from hardened molybdenum. So it will stand up to sawing and cutting.
  •  The padlock is stylish

Cons

  • If you know what you’re doing, there are ways to force this padlock open.

If you want to re-key your padlock and if you need Key retaining feature with a strong molybdenum shackle, then this lock is best for your unit.


 Titanium Shrouded Padlock by Master Lock

Product Specifications

Lock Type: Stainless Steel Padlock 

Color:Black

Dimensions:6.6 x 4.8 x 1.5 inches

Weight:12.8 ounces

 Warranty :Full Warranty


You can’t go wrong with a Master Lock product. After all, they have been in business since 1921 and they keep raising the bar with every innovative step they take.This padlock is another heavy duty offering from Master Lock. One look at the wide, stainless steel body will tell you everything you need to know.The lock has a shrouded design that minimizes the exposure of the shackle which, in turn, negates the efficacy of bolt cutters.

Even if you bring a saw to the table, the shackles are made of hardened steel that is highly resistant to cutting.

The lock will survive comfortably in extreme weather temperatures without rusting or corroding. As far as the lock for storage unit goes, you can slap this one in place with confidence, knowing that your valuables will remain safe.

  Pros

  • The stainless steel body won’t corrode or rust.
  • The shrouded design protects the shackle from attack.
  • The shackle is cutting and sawing resistant.
  •  The Four-pin cylinder makes lock picking difficult.
  • The Dual Locking levels provide a defense against prying and hammering attacks.
  • Unlike many other heavy duty padlocks, this one isn’t too large. It fits most storage units.
  • The product has a small plastic door that protects the keyhole from dust.
  • The Padlock has a key-retaining feature that makes it hard for you to drop your keys while locking up.

Cons

  • The keys Master Lock provides are made from weak metal. They bend and break easily. 

If you want a beautiful and strong stainless steel lock with a full warranty support from manufacturer, then this lock is best for you.


Other best selling locks for you:


Do you want to buy locks at a discounted price? 

  What Kind of Lock Do I Need for storage unit

types of Lock

Types of lock

Security is a major issue especially when it comes to maintaining a storage unit. With so many locks in the market, you might struggle to find the best one for your storage unit.

This article will go a long way in helping you to understand which lock is the best for your particular situation

1. Padlocks.

A traditional padlock is made up of an outer casing that encloses the inner workings of the padlock and a shackle that locks the padlock.

The outer casing is tough and it is made to withstand tampering. The shackle is also be made of highly-resistant material to prevent cutting.

round padlock

round padlock

The levers on the inside move a latch that holds the shackle in place when the lock mechanism is engaged. The shackle is designed with a notch which fits into the latch to hold the shackle in place. You need to use the correct key to disengage the shackle to open the lock. The lock cannot be opened by another key.

2. Closed Shackle Padlocks.

The unfortunate thing is that thieves get smarter with time. Thieves resort to cutting the shackle on the padlock to gain access to your storage unit. The solution is a closed shackle padlock.

A closed shackle padlock has the same internal mechanism as a normal padlock. However, the shackle (the locking part of the padlock) is partially covered. Only a little part of the shackle remains exposed once you lock. The part that is left is usually the hardest part of the shackle. In addition, the exposed part is usually left in an awkward position. This reduces the chances of a thief successfully cutting the shackle on your padlock.

Additionally, these look like ordinary padlocks. However, the shackle is not only shorter and thicker but also covered by a protective casing which makes the lock all but impossible to cut.

Unfortunately, such locks are quite expensive.

3. Open Shackle Padlocks.

These are padlocks that have most of the shackle exposed. Consider the following factors before buying an open shackle padlock:

Shackle thickness

A thicker shackle presents more resistance to tampering. A 10 mm or more shackle is a high-security shackle. Medium security shackles range between 7-9 mm. Anything below 7 mm is regarded as a low-security shackle.

Material

A variety of materials are used to make padlocks:

  • Molybdenum: It is the strongest and most reliable material for manufacturing padlocks. It is also the most resistant to corrosion. It offers the highest level of security. In addition, it is the most expensive.
  • Boron: It is a form of high strength steel that is non-corrosive. It also offers high levels of security.
  • Solid steel: Solid steel is durable and it provides a lot of resistance to cutting. These padlocks are usually coated with zinc or chrome to provide resistance to corrosion.
  • Brass: This provides a non-corrosive and non-expensive option. However, it does not provide as much resistance to tampering as steel.
  • Plastic: This option can only be used where tampering is highly unlikely.

4. Disc Locks

A disc lock is a portable lock that is mostly used to secure motorcycles. Disc lock shackles are designed to fit into one of the holes on the brake discs and to lock on the other side. This prevents the wheel from making a complete rotation until the lock is removed.

disk lock

disk lock

They are usually made using hardened steel which is brass plated to avoid corrosion. Hardened steel is resistant to cutting and shattering. In addition, some of them come with a siren that is meant to alert you if someone tries to tamper with the lock.

Additionally, disc locks are ordinary padlocks, but they are round. They are not only easy to use, but it takes a lot of hardware to break them open, which is why they are encouraged for storage units.

5. Cylinder Locks.

Cylinder locks are common in homes. The lock works when you put in the key to rotate the cylinder. The cylinder then moves the tang inside.

 When locked, the tang is partially outside and partially inside. The tang is usually completely inside when unlocked.

cylinder lock

cylinder lock

A cylinder lock provides high levels of security since only one key can open the lock. The spring mechanisms inside are adapted to only one key. Cylinder locks are very difficult to cut since the tang is not exposed on the outside even when locked.

Cylinder locks are very difficult to cut since the tang is not exposed on the outside even when locked.

Additionally, These look like the locks you find on a normal door. They are even tougher to force open than the disc and closed-shackle locks. But they are a little difficult to install and not every storage unit is equipped to work with them.

6. Combination Locks. 


These are high-security locks that need a specific combination to unlock. You are required to move a knob to set the numbers of the combination. If the combination is correct, the lock opens.

Each number in the combination has a specific wheel inside the lock that it turns. Once the wheels inside the lock align, the lock opens. This lock is virtually tamper-proof. It would take very powerful machines to force open this lock. In addition, you can keep the combination a secret to ensure that only you can open the lock.

7. Single Dial Combination Lock.

Single dial combination locks use the same internal mechanism as the combination lock described above. To open the lock you have to rotate the knob clockwise or anticlockwise to get to the first letter or symbol. Once you do so, rotate to the other direction to get to the next symbol. The lock will unlock once you locate all the letters or symbol.

This type of lock provides a higher level of security compared to padlocks. However, you have to ensure that the lock is made from strong material to reduce the possibility of breaking.

8. Multiple Dial Combination Lock.

This lock is usually found on briefcases. It requires that you move specific numbers that align the wheels to open the lock. Without the specific combination, you cannot open the lock.

This system is not considered as very secure. It is very easy to open even without the code. This is because once you rotate to the right number, it makes a unique clicking sound. With keen hearing, you can get the correct sequence in a matter of time. It is recommended that you do not use this lock to secure valuable items.

9. Keyless Locks.

This system abandons the traditional key and cylinder method of opening locks. Instead, it requires a specific “electrical impulse” to open. This electrical impulse can be triggered in a number of ways including:

  • A correct pin on a keypad.
  • Wireless remote control.
  • An electronic card reader.

This system is advantageous since you can easily change the mode of opening if you think it has been tampered with. Most electric locks come with a physical lock and key mechanism that acts as a manual override if there is a power outage.

10. Handle Locks.

Handle locks use a really simple mechanism to lock. All you have to is to turn the latch to release the door from the frame. It provides a temporary lock since anyone can open the lock.

Most handle locks come with cylinder locks to provide extra security. Once the cylinder lock is locked on you need the key to successfully open the handle lock.

11. Deadbolts.

There are two types of deadbolts:

Surface mounted deadbolts.

These types of deadbolts are placed on the surface of the door. It can either be opened from one side only or it can have a provision for inserting the key on both sides. You can either use the key on a deadbolt knob to lock or unlock the door.

Internal deadbolts

These types of deadbolts are placed inside the door. The only part that is exposed is the key entry. The lock can only disengage once the correct key turns the lock. This type of deadbolt can either be opened from both sides or from one side. It provides more security than a surface mounted deadbolt since it is located inside the door.

12. Rim Latch Locks.

A rim lock works by extending a bolt from the side of the lock into a dedicated latch on the door frame. This locks the door in place. Most rim locks utilize the cylinder lock mechanism.

The best thing about rim locks is that they are usually placed on the inside. Once it is locked, only a person on the inside can unlock it. 

The above list provides a description of the best ways to lock your storage space. The advancement of technology means that different types of locks will continue to emerge.

At the moment, however, the list above offers you a comprehensive list of what is currently available.


Other considerable issues when selecting a lock for storage unit


Even the most expensive storage facilities will expect you to meet the costs of securing your storage unit. And ultimately, securing your storage unit is not a simple matter of selecting the right lock.

But that begs the question: how do you determine what kind of lock you will need for your storage unit?

As is often the case, you have to ask a few questions, such as:

1). Do you misplace  your  keys a lot?


If you do, then you might have to forego a keyed lock in favor of a combination lock. A combination lock is the one with numbers that you must turn to open it.

If you can trust your ability to secure your keys, then go for an ordinary keyed lock. This is the one that requires a key to open.


2). What kind of fastener does your unit’s door have?


If you have a particular lock you prefer, but the fastener isn’t compatible with it, you will have to consider a few other locks.


3). What does your insurance have to say about your lock?


You will find that some insurers expect you to use certain brands and locks for them to cover the contents of your storage unit.


4). How many people need to access your unit?


Combination locks are handy if multiple people have to use your unit. That way, you do not have to make multiple copies of your keys.

If you are the sole user, then a normal keyed lock will do.

For the most part, most of the decisions you make here will come down to choosing between open shackle locks and closed-shackle padlocks and keyed or combination locks.

You must also choose between single dial combination locks, multiple dial combination locks, and padlocks.

How To Measure Storage Unit Lock

Measure Storage Unit Lock

Measure Storage Unit Lock


Assuming that you know what type of lock you need, how can you choose between a good lock and a bad lock? Well, think about the following:


1). Shackle Size


Shackle size matters. The lock you choose should have a shackle whose size is compatible with the hasp of the storage unit.

If you buy a lock with a massive shackle because you think it delivers better security, it might fail to fit properly. On the other hand, a shackle that is too small is easy to cut.

2). Weathering


Public, drive-up storage units are problematic because their locks are exposed to the weather. Such prolonged exposure to heat and cold will eventually damage your lock.

So you need to get a lock with a rubber or plastic housing that will keep the elements out while also preventing moisture and dirt from building up inside.

3). Ball Bearings


Ignore locks with loaded springs. These are the ones with angular cuts at the bottom of the shackle.

Loaded spring locks are too easy to force open. Get locks with ball bearings. Those are more secure.

If you truly want to secure your storage unit, you are discouraged from relying on ordinary padlocks. They won’t keep you safe.

Even combination locks (single and multiple) won’t do. The material also matters. Invest in expensive locks because they are normally made from the toughest ingredients.

A disc lock made out of cheap material is of no use. Invest in your storage unit security.

Why lock and storage unit is important?


A storage unit is merely a space within another individual or company’s premises that you use to store your things. Think of it as a room that you can rent out, but you are only allowed to store items within its confines.

The law does not permit you to live in a storage unit. These facilities are like external hard disk drives. They are additional storage space that you can use to contain your valuables safely.

Right Storage Unit For You

Companies all over the world are erecting new storage facilities every day because the demand is so high.

As such, there is a literal glut of storage units in the country today. And that raises a question: with so many storage facilities out there, how can you find and select the right unit for your needs?

Well, the key is to consider a few important factors, the most essential including:

1). Contents

What are you trying to store? Is it boxes, electronics, cars, furniture? The kinds of items you need to store will determine the kind of storage unit you choose.

2). Climate Control

This goes back to the issue of contents. You have to decide whether or not you require climate control.

Some items such as wooden furniture can only survive storage over extended periods if they are protected from humidity. So if you live in a particularly dry area, you will require a climate controlled unit.

Otherwise, some of your valuables will degrade.

3). Size

This is the first consideration you will make. How many items do you need to store? The quantity will determine the size of the storage unit. The bigger the storage unit, the more you will pay in rent.

storage unit

4). Location

The location will affect your expenditure. Some people need storage units that are close enough for them to check on their valuables frequently and conveniently.

But storage units in city centers are very expensive, so you might have to settle for a facility outside the city. However, that will limit the number of times you can check on your valuables.

5). Insurance

This is very important. You need a storage facility whose insurance will cover the contents of your unit. You never know when fire, thieves, or other unfortunate factors might come into play.

Of course, if insurance isn’t an option for you, then you should pay close attention to the security.

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