Best Hex Keys of 2025

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Hex keys, also known as Allen keys, are a set of tools used to tighten and loosen hexagonal screws and bolts. These small, L-shaped keys come in various sizes and are typically made of hardened steel for durability. They are commonly used in DIY projects, automotive repair, and furniture assembly. Hex keys are a versatile and essential tool for anyone who works with machinery or equipment that uses hexagonal fasteners.
At a Glance: Our Top Picks
Top 10 Hex Keys
Draper 30 Piece Long Arm Allen Key Set
The Draper Allen Key Set is designed for durability and versatility. Made from hardened chrome vanadium steel, it can handle heavy use, ensuring consistent performance in all your tasks. With sizes ranging from 0.7mm to 10mm and 0.028” to 3/8”, you can find the right fit for any job. The extended long arm design allows you to easily access tight spaces, making it ideal for those hard-to-reach areas. Plus, the durable plastic case keeps your tools secure and readily available whenever you need them.
Amazon Basics 36-Piece Hex Key Set
The Amazon Basics Hex Key Set includes 36 pieces of hex keys, perfect for tightening or loosening screws in various applications. With both SAE and metric sizes, you can tackle a wide range of tasks, whether it's fixing bikes, motorcycles, or furniture. Constructed from durable chrome vanadium steel, these tools offer excellent strength and rust resistance. Additionally, the set comes with two hinged cases that provide secure storage and easy access, making organisation simple and efficient.
Bahco 9770 Long Armed Hex Key Set
The Bahco 9770 Hex Key Set includes nine long armed hexagon keys, ranging from 1.5mm to 10mm in metric sizes. This diverse assortment ensures that you have the right tool for various tasks, enhancing your ability to work efficiently. The long arms provide extra leverage, making it easier for you to tighten or loosen fasteners with less effort. Additionally, the round heads are designed for driving at an angle, which increases your flexibility in tight spaces and challenging angles, allowing you to reach screws that might otherwise be inaccessible.
G4GADGET 14 Piece Imperial and Metric Wrench Set
The G4GADGET Hex Key Set features a high-quality assortment of hex Allen keys that come with a handy ring for easy storage and access. With seven AF sizes ranging from 1/16" to 7/32" and seven metric sizes from 1.5mm to 6mm, you will have the right tool for various tasks. The key-ring style holder keeps all your keys organised, preventing loss and making it convenient to retrieve when needed. Available in sleek silver and black, this set combines functionality with a modern look.
Draper 10 Piece T-Handle Hex Key Set
The Draper T-Handle Hex Key Set is designed for precision and efficiency, featuring a t-handle design that maximises torque for effective tightening. Crafted from durable chrome vanadium steel, these tools offer reliability with added corrosion protection. The chamfered ends allow for easy insertion into bolts and screws, enhancing your efficiency during use. With sizes ranging from 2.0 mm to 10 mm, this versatile set ensures you have the right tool for any task, big or small.
Wera 950 SPKL/9 SM N SB Hex Key Set
The Wera Hex Key Set is a nine-piece metric tool designed for high torque applications. With its hex-plus technology, you can prevent rounding of screw recesses while transferring up to 20% more torque, making your tasks easier and more efficient. The coloured thermoplastic sleeves allow for quick and comfortable tool selection, saving you time during projects. Additionally, the precision machined tips ensure an accurate fit, which helps to avoid damaging screws and enhances overall performance.
Draper Redline 8 Piece Hexagon Key Set
The Draper Hex Key Set is crafted from hardened chrome vanadium steel, ensuring durability and reliability for your tasks. With sizes ranging from 1.5mm to 6.0mm, it offers versatility that guarantees the right fit for various applications. The extended long arm design is perfect for working in confined spaces, allowing you to manoeuvre easily and efficiently. Plus, the convenient keyring holder keeps your tools secure and accessible, so you can grab them whenever you need them.
Bosch 9-Piece S2 Steel Hex Key Set
The Bosch Hex Key Set is crafted from durable S2 steel with a rust-protective satin-finished nickel coating, ensuring longevity and reliability. The ball-end design allows for a convenient 30-degree offset, making it easier for you to access hex screws in tight spaces. Long arm keys offer higher torque and greater reach, allowing you to apply more force without straining. Additionally, the practical storage clip features angle stops for quick and easy extraction of the keys, keeping your workspace organised and efficient.
18PCS Metric Allen Key and Torx Set
The YUFANYA Allen Key Set includes 18 pieces, featuring both metric and TORX sizes, making it a versatile tool for various tasks. The ball end design allows you to reach socket cap screws at an angle, which is especially useful in tight spaces. With visible size markings and vibrant colours, you can easily identify the right tool at a glance, saving you time during your projects. Crafted from high-quality chrome vanadium steel, this set offers durability and resistance to corrosion for long-lasting use.
DIY Doctor Hex Allen Key Set (9 Sizes)
The DIY Doctor Allen Key Set includes nine different sizes ranging from 1.5mm to 10mm, ensuring you have the right tool for any job. Each key is colour coded, allowing you to quickly find the correct size, which is particularly useful during complex repairs. Made from durable chrome vanadium steel, these keys are built to last, providing reliable performance over time. The increased length gives you greater torque, making it easier to loosen tight nuts and securely tighten any fittings.
Frequently Asked Questions (FAQs)
1. Is a hex key the same as an Allen key?
A hex key, also known as an Allen key is a simple tool used to drive bolts and screws with hexagonal sockets in their heads. From standard keys in chrome vanadium steel to extra-long with ballpoint heads in chrome molybdenum steel, there are a wide variety to choose from.
2. Why is an Allen key called an Allen key?
The “Allen screw” name for the socket head cap screw and “Allen key” for the wrench originate from the products of the Allen Manufacturing Company of Hartford, Connecticut. According to Bates, it is widely reported that the company trademarked the name “Allen wrench or key” for its range of hex wrenches in 1943.
3. Why is it called a hex key?
They are called “hex keys” because they use six points of contact. In other words, a hex key touches a half-dozen difference surfaces of the hex screw. The use of six points of contact allows the hex key to easily grab the hex key. If a tool uses five or fewer points of contact, it isn't considered a hex key.
4. How do you find the hex key?
Measure the Hex Key Hex keys measurements are done across-flats or AF. This simply means that they are measured from one flat side of the head to the one directly across from it.
During our hex key research, we found 306 hex key products and shortlisted 10 quality products. We collected and analyzed 130,374 customer reviews through our big data system to write the hex keys list. We found that most customers choose hex keys with an average price of £11.81.
The hex keys are available for purchase. We have researched hundreds of brands and picked the top brands of hex keys, including Draper, Bahco, G4GADGET, Wera, Bosch. The seller of top 1 product has received honest feedback from 688 consumers with an average rating of 4.8.

Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.