Best Short Arm Hex Keys of 2025

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Short Arm Hex Keys are a versatile tool used to tighten and loosen hexagonal bolts and screws. These compact hex keys come in a range of sizes and are designed with a short arm for use in tight spaces. Ideal for DIY enthusiasts and professionals alike, they are commonly used in automotive and mechanical applications. With their durable construction and comfortable grip, Short Arm Hex Keys are a must-have addition to any toolbox.
At a Glance: Our Top Picks
Top 10 Short Arm Hex Keys
Draper 04912 Multicolour Short Arm Hex Key Set
The Draper 04912 Hex Key Set is crafted from hardened and tempered chrome vanadium steel, ensuring durability and strength for your tasks. Its chrome plating provides excellent corrosion protection, extending the life of the tools. The colour powder-coated finish allows you to easily identify each size, saving you time when working. Additionally, the ball end design enables you to use the keys at a 30-degree angle, making it easier to reach tight spots. This set is perfect for both DIY enthusiasts and professionals alike.
Gunpla Torx Hex Key Wrench Set of 9
The Gunpla Hex Key Set is expertly crafted from high-quality chrome vanadium steel, ensuring durability and long-term use. With sizes ranging from T10 to T50, this set allows you to tackle a variety of tasks, making it perfect for home maintenance and DIY projects. The torx ends provide easy access to tight spaces, simplifying the installation and removal of socket cap screws. Additionally, the chamfered ends reduce wear, ensuring a smooth fit into fasteners for enhanced precision and efficiency.
Hyfive 30Pcs Allen Wrench Set with Carry Case
The Hyfive Allen Wrench Set is made from high-quality carbon steel, ensuring durability and strength. The black-oxide finish on the long arm tools maximises their service life, providing you with tools that last longer. Each wrench features high-visibility size markings, making it easy for you to select the right tool quickly. The medium and long-sized wrenches increase torque, which means you can apply more force with ease when tightening or loosening fasteners. This set is ideal for various tasks, from installing towel bars to repairing bicycles.
sourcing map 6mm Hex Key Wrench Tool
The sourcing map Hex Key is a versatile tool designed to make your home repairs easier. With a size of 6mm and a long arm length of 207mm, it provides extra reach for deep work areas, helping you access tight spots effortlessly. The high-strength S2 steel construction ensures durability and resistance to rust, meaning it will last through many projects. The chamfered hexagonal ends allow for easy sliding onto fasteners, reducing wear and tear, so you can work efficiently without damaging your tools or screws.
YUFANYA 9PCS Ball End Allen Key Set
The YUFANYA Allen Key Set features nine hex keys ranging from 1.5 to 10mm, all neatly stored in a rack for easy organisation. Its ball end design allows you to access socket cap screws from angles up to 25°, making it simpler to reach difficult spots. Each wrench is marked with visible sizes and colours, ensuring you can quickly identify the right tool for your task. Made from durable chrome vanadium steel, this set is built to last and resist rust, providing you with reliable performance for various DIY projects.
Hi-Spec 30pc Hex Allen Key Wrench Set
The Hi-Spec Hex Key Set is an essential tool for anyone looking to tackle household, garage, or DIY tasks. You can easily tighten and loosen a variety of internal hexagon screws and bolts, making it perfect for assembling furniture and installing fixtures. With 15 metric and 15 imperial sizes, you’ll have the right key for any job. The keys are made from a strong Cr-V steel alloy, ensuring durability and resistance to rust. Plus, the compact folding holder allows for easy storage and quick access to the tools you need.
Wera 950 Hex-Plus Chrome Hex-Key Set
The Wera 950 Hex-Key Set is designed with an extra-short arm, making it easy for you to reach difficult screws. The Hex-Plus feature enhances the lifespan of socket head screws, ensuring they last longer. Additionally, the ballpoint on the long arm allows for dependable use even in challenging situations. The chrome-plated finish provides excellent corrosion protection, helping to keep your tools in great condition for longer.
30Pcs Metric and Imperial Allen Key Set
The Wress Hex Key Set features high-quality materials, made from A grade heat treated, hardened steel for durability and strength. You will find both short and long arm keys, ideal for reaching tight spaces and providing extra torque. The clear markings allow for easy identification, helping you quickly find the right size key. Designed for ease of use, these tools enable you to access hard-to-reach areas effortlessly, making them perfect for home, garage, or mechanic shop applications.
30PC Allen Keys Set for Various Uses
The Joyseedi Allen Keys set is crafted from high-quality heat-treated chrome vanadium steel, ensuring durability and resistance to rust. The hexagonal keys are designed to BS standards, offering both inch and metric sizes, which makes it easier for you to find the right fit for any job. With long-arm wrenches providing extra reach and torque, and short-arm keys ideal for tight spaces, this set caters to both amateur and professional DIY enthusiasts. The inclusion of a folding storage case also means you can keep your tools organised and easily accessible.
Rolson 40345 30 Piece Hex Key Set
The Rolson Hex Key Set includes 30 precision hexagonal keys, perfect for various tasks around the home or workshop. With both standard arm metric and long arm imperial sizes, you have the flexibility to tackle different jobs. The long arm keys range from 0.028" to 3/8", while the short arm keys cover sizes from 0.7mm to 10mm. Having these keys at your disposal means you can easily reach tight spaces and apply more torque when needed, making your projects simpler and more efficient.
Frequently Asked Questions (FAQs)
1. What is the smallest hex key?
In addition to the precision sizes mentioned above, the common metric Allen wrench sizes are 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 9 mm, & 10 mm.
2. What is a long arm hex key?
Long-arm hex keys, on the other hand, provide greater torque. All long-arm hex keys have a longer vertical side than that of short-arm hex keys. The vertical side, of course, is the part that you'll grip and turn. With its long length, it will provide greater torque, thus allowing you to tighten fasteners more easily.
3. Is there a difference between Allen keys and hex keys?
The short answer is “there is no difference”. Really, these two names can be used interchangeably.
4. What is the smallest Allen key you can get?
Sizes contained in the set are 0.71mm , 0.89mm (the two smallest hex keys in this set are metric) - then 1.27mm (0.05"), 1/16"; (1.59mm), 5/64" (1.98mm), 3/32" (2.38mm) and 7/64" (2.79mm). Supplied in a handy plastic holder.
During our short arm hex key research, we found 121 short arm hex key products and shortlisted 10 quality products. We collected and analyzed 37,737 customer reviews through our big data system to write the short arm hex keys list. We found that most customers choose short arm hex keys with an average price of £10.54.
The short arm hex keys are available for purchase. We have researched hundreds of brands and picked the top brands of short arm hex keys, including Draper, Gunpla, Hyfive, sourcing map, YUFANYA.

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.