Best Plastic Hex Keys of 2025

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Plastic hex keys are a versatile and affordable tool for anyone who needs to tighten or loosen hexagonal-shaped screws or bolts. Made from durable plastic material, these hex keys come in a variety of sizes to fit different hexagonal screw heads. They are lightweight, easy to use, and provide a comfortable grip that reduces hand fatigue during use. Whether you are a professional mechanic or a DIY enthusiast, plastic hex keys are a useful addition to your toolkit.
At a Glance: Our Top Picks
Top 8 Plastic Hex Keys
ZEN0 30-Piece Metric and Imperial Allen Key Set
The ZENO Allen Key Set is a comprehensive collection featuring 30 hex keys, accommodating both metric (0.7-10mm) and imperial (0.028-3/8 inch) sizes. This set includes short and long arm designs, allowing you to tackle precision tasks and reach tight spaces effortlessly. Crafted from high-quality steel, these keys are durable, ensuring they can withstand regular use without wear. The convenient plastic storage box keeps everything organised, making it easy for you to find the right tool when you need it.
S&R Hexagonal Key Set - 30 Pieces
The S&R Hex Key Set offers a comprehensive collection of 30 pieces in both metric and imperial sizes, ensuring versatility for various tasks. With 15 metric keys ranging from 0.7 to 10 mm and 15 imperial keys from 0.028 to 3/8 inches, you have the right tool for any job. Made from rustproof CrV steel and featuring a phosphated surface, these keys are durable and long-lasting. Additionally, the practical plastic box allows for easy storage and transport, ensuring you can keep your tools organised and accessible wherever you go.
GETLITOOL 13-Piece Metric Allen Key Set
The GETLITOOL Allen Key Set includes 13 pieces in various sizes, catering to all your repair needs, from bicycle maintenance to furniture assembly. Each tool is made from hardened Chrome Vanadium Steel, ensuring durability and resistance to breakage. The ball head design allows you to reach difficult areas with ease, while the flat head offers enhanced torque for more demanding tasks. Plus, with size markings on each key, you can quickly find the right tool for the job, saving you time and effort.
SIMDAO 9-Piece Metric Hex Key Set
The SIMDAO Hex Key Set features nine different sizes, ranging from 1.5mm to 10mm, ensuring you can quickly select the right tool for your task. Made from hardened chrome vanadium steel, these wrenches are designed to be durable and resistant to wear, providing you with reliable performance over time. The colour-coded design allows you to easily distinguish between sizes, streamlining your work process. Additionally, the set comes with a plastic shell for easy storage and transport, making it convenient to keep your tools organised and accessible.
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.
ENGINEER 7 Piece Mini Hex Key Set
The ENGINEER Mini Hex Key Set includes seven precision hex keys in small imperial sizes, making it perfect for tasks such as precision engineering, model making, and robotics. Each key is designed for accuracy, ensuring you can work on intricate projects with ease. The set comes with a custom plastic holder, allowing you to keep your tools organised and easily accessible. Made in Japan, this set guarantees quality, giving you confidence in your work.
Stanley 8-Piece Metric Hex Key Set
The Stanley Hex Key Set is an ideal choice for your regular DIY tasks. With a perfect assortment of 8 differently shaped keys, you can easily tackle various hexagonal bolts. The plastic holder adds to your convenience, keeping the keys organised and accessible. Additionally, the folding open case ensures that you can store and transport the set effortlessly, making it a practical tool for any home or workshop.
ENGINEER twh-01 Mini Metric Hex Key Set
The ENGINEER twh-01 Hex Key Set is a 7-piece set of metric allen keys in small sizes, including 0.89mm to 4.0mm. This set is perfect for precision engineering tasks, model making, and robotics, ensuring you have the right size for intricate work. The keys come with a custom plastic holder, making storage and accessibility easy. Being made in Japan, this set is also ROHS compliant, giving you peace of mind regarding safety and quality. You will find this set to be an essential tool in your workshop.
Frequently Asked Questions (FAQs)
1. Are hex keys the same as Allen keys?
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. What can I use instead of a hex key?
Socket Wrench or Ratchet Wrench If you have one that will fit in the hex screw hole or hexagonal socket you are working with, a socket wrench may come in handy in place of an Allen wrench.
3. What are hex keys called?
A hex key, also known as an Allen key or Allen wrench, is a small handheld tool that's used for for driving bolts and screws with a hexagonal socket. They are available in many different sizes, though they all have the same hexagonal-shaped tip.
4. What are hex keys made of?
Hex keys are formed from a single piece of hard steel hexagonal rod having blunt ends that fit snugly into similarly-shaped screw sockets.
During our plastic hex key research, we found 130 plastic hex key products and shortlisted 8 quality products. We collected and analyzed 54,902 customer reviews through our big data system to write the plastic hex keys list. We found that most customers choose plastic hex keys with an average price of £6.78.
The plastic hex keys are available for purchase. We have researched hundreds of brands and picked the top brands of plastic hex keys, including ZENO, S&R, GETLITOOL, SIMDAO, Draper. The seller of top 1 product has received honest feedback from 3,018 consumers with an average rating of 4.5.

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.