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Learn About Various Types of Allen Keys and Their Uses

What is an Allen key? This is a common question asked by many, as they are not aware of the importance of Allen keys. An  Allen key or Allen wrench is also known as Hex key. This is a small handheld tool used for turning bolts and screws which have hexagonal sockets. Many people assume that Allen keys are new, but to surprise, these tools are fairly old. The concept of a hexagonal-shaped screwdriver came in the mid-to-late 1800s and became popular. Now they are available in different sizes. To learn more about Hex keys or Allen Keys and their benefits, read this blog.

Different Types of Hex Keys

L-Style Allen Wrenches

This is the standard Allen key and is easily found anywhere. Due to its L-shape, it can reach into tight spots and provide control when needed. If you are looking to get only one set, this would be a perfect option. There are many choices available in the market, though a 1.5-10mm   a good value purchase.


This is a popular tool, mostly used in motorsport applications. Due to the T-handle, you can spin the wrench quickly, while allowing enough leverage in common usage. Beta 951 wrenches allow it to slide into a position to create an L-shaped tool. These are quickly becoming popular among bike mechanics.


These types of Allen keys can be seen in lots of professional workshops. These are oversized L-wrench with a comfortable grip that gives them similar benefits as of a T-handle.

Folding Hex Key

These are mostly loved by bicyclists and motorbike riders. Unlike other Allen keys, it is nearly impossible to lose a folding Hex wrench,  as they are enclosed in the handle. They are normally folded out at 90 degrees from the storage handle to give maximum torque.

Ratcheting Drivers

Ratcheting Hex drivers provide better speed in comparison to the traditional Allen wrenches. These tools are more dynamic, as they are used with screwdriver bits and even sockets. They are available in different varieties. The bits of Ratcheting Hex Drivers can be used in an electric drill driver. It is a popular choice among people working with rotor bolts.

Torque Wrench

A torque wrench is an important part of any workshop, especially when working with delicate components. But it is definitely not a replacement for Hex wrench.

Allen Screwdriver

This is very handy when low torque and tight clearance are the main factors on which you are working. This is best for adjusting lever and some disc brake levers. The most common size used in the market is 1.5-5mm.

Ball Hex Sets

These wrench sets are distinctive from other Hex sets available in the market. They have ball molded head at tight edges, where L-formed wrenches can’t exactly reach.

Key Ring Sets

These are basic L-shaped Hex or Toque keys mounted on a key ring with a spring retaining clip. These key sets are very affordable and can be kept in a house or car for convenience. To use the long arm, you have to twist and pull the key from retaining clip. To replace it, you need to push and twist the key.

Five Uses for Allen Keys

Here are 5 uses for Hex key that will change the way you build, repair, and maintain in the workshops.

Bicycle RepairThese are the dominant tools used for bike repairs and size adjustments. The wide range of sizes allows them to be used in different applications, and their compact size makes them easy to carry. If you are a frequent rider you can pick a set of folding hex keys.

Furniture Repairs– Allen screws are an essential piece of hardware for securing furniture at its place. It allows assembling the furniture without adding any unnecessary bulk pieces. Their compact design makes them discrete in appearance and strong in fastening. Since furniture pieces can have tight spaces and require long reach, you can use a set of long arm Hex keys.

Cars and Motorcycles– You would need an Allen key set for the proper maintenance of your car. Allen keys are helpful while accessing the areas under the seat, and places under the dash like behind the glove compartment. T-handle Hex wrenches are recommended for cars and motorcycles repair.

ToolsApart from other uses, Allen keys can also be helpful in maintaining and repairing heavy tools and machinery. Drill bits rely on it to secure the bit into place. Similarly, power saws of all varieties require Allen keys to change blades or for minor adjustments. Short arm Allen keys are mostly used to perform these tasks.

Electronics- Allen wrenches are becoming very popular with people dealing with repairing and maintaining electronics. As electronics are becoming more and more compact in size, Allen keys are being used to support their size. Computers and large television screens are held together with these screws from the backside. You can buy torque wrenches for this purpose. They are the main items in every electrician’s toolbox.

The best tool is the one which you often use and can trust. Now, as you are aware of the different types of Allen keys, you can choose the one as per your requirement. Even if you are not a regular mechanic, you can easily decide which tool to use for any purpose. If you are looking to buy best Allen keys you can get a wide range on our website Moglix.com at an affordable price.  You can choose from some of the best brands available in the market like Taparia, JK hand tools, Venus, etc.

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