10 Best 8mm Allen Key Wrench in The UK

Last updated on 11/08/2025
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Best Choice
1
9.7
Exceptional
Blue Spot Tools Large Jumbo Metric Hex Key Set Allan Allen Hexagon Wrench 8-19mm, 15308
Blue Spot Tools
Blue Spot Tools Large Jumbo Metric Hex Key Set Allan Allen Hexagon Wrench 8-19mm, 15308
Free Shipping
Why We Love It
  • Durable materials ensure longevity.
  • Convenient storage case.
  • Perfect for various applications.
Main Highlights
  • Comprehensive set of metric hex keys
  • Large and jumbo sizes for various applications
  • Made from durable materials
  • Comes in a convenient storage case
9.7
Exceptional
Amazon Logo
Best Value
2
9.6
Superb
Stanley 1.5 - 8mm Fatmax Locking Hex Key Set
STANLEY FATMAX
Stanley 1.5 - 8mm Fatmax Locking Hex Key Set
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Why We Love It
  • Lockable keys for easy access.
  • Quick and simple locking.
  • Ergonomic handle for better grip.
Main Highlights
  • Used for tightening and loosening hexagonal bolts, perfect for bikes, scooters, cars and flat pack furniture
  • Industry first lockable keys that lock in 90˚, 135˚ and 180˚ for easy access and to prevent unwanted movement
  • Button lock release for quick and easy locking/unlocking
  • Longer key length for better access to harder to reach areas that are countersunk or recessed fasteners
  • Ergonomic bi-material handle for better grip and torque delivery
9.6
Superb
Amazon Logo
3
9.4
Superb
BBB Cycling Hexagon Bike Wrench Tool I Extra Long Bicycle Pedal Wrench 33 cm I Allen Wrench Bike Spanner I DualForce BTL-101
BBB
BBB Cycling Hexagon Bike Wrench Tool I Extra Long Bicycle Pedal Wrench 33 cm I Allen Wrench Bike Spanner I DualForce BTL-101
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Why We Love It
  • Efficient bike repair tool.
  • Ergonomic, double-sided design.
  • Comfortable, easy-reach handle.
Main Highlights
  • PEDAL WRENCH: Use the Bicycle spanner to remove and replace bike padals for efficient bike repair
  • DOUBLE SIDED: The bike wrench features an ergonomic, double-sided design for convenience and easy bike maintenance
  • ALLEN KEYS: The pedal spanner has a 6 mm and 8 mm Allen key to work on both your bicycle pedals
  • KRATON HANDLE: The bike wrench features a long, 33 cm handle with a comfortable grip and easy reach
  • NOTE: Use this bike pedal wrench tool with hand power and don't use other tools to increase leverage or momentum and turn the tool in the right direction.
9.4
Superb
Amazon Logo
4
9.3
Superb
PEUTIER 7pcs Square Head Wrench Set, 3/4/5/6/7/8/10mm L-Shaped Wrench Chrome Vanadium Steel Square Head Screwdrivers Kit Tool Square Key for Pocket Hole Screws
PEUTIER
PEUTIER 7pcs Square Head Wrench Set, 3/4/5/6/7/8/10mm L-Shaped Wrench Chrome Vanadium Steel Square Head Screwdrivers Kit Tool Square Key for Pocket Hole Screws
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Why We Love It
  • Versatile for various tasks.
  • Durable chrome vanadium steel.
  • Comfortable L-shaped design.
Main Highlights
  • Package List: You will receive 7 square wrenches, featuring a variety of sizes to cover all your needs. Includes the following sizes: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, and 10mm, ensuring you have the right tool for every job.
  • L-Shaped Design: Each wrench is expertly crafted with an L-shaped design, offering both comfort and control. This shape provides a secure grip and allows you to easily access and maneuver in tight or hard-to-reach spaces.
  • Lasting Material: Made from quality chrome vanadium steel, these wrenches are built to be reliable and durable. The material resists bending and splitting under pressure, ensuring long-lasting performance and dependability.
  • Important Note: To ensure safe and effective use, avoid applying excessive force or pressure on the wrench. Doing so could cause the wrench to slip or potentially result in injury.
  • Versatile Applications: These wrenches are incredibly versatile and are perfect for a wide range of tasks. Whether you're working with pocket hole screws, assembling furniture, repairing bicycles, performing automotive maintenance, or tackling various household projects, this set has you covered.
9.3
Superb
Amazon Logo
5
9.1
Superb
Park Tool PH-8 P-Handled Hex Wrench Tool 8 mm, Blue
Park Tool
Park Tool PH-8 P-Handled Hex Wrench Tool 8 mm, Blue
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Why We Love It
  • Ideal for crank bolts.
  • Ergonomic shape for comfort.
  • High-strength nylon handle.
Main Highlights
  • The 10mm P-Handle Hex Wrench can also be used for removing crank bolts with a 10mm socket
  • Ideal Product
  • The high strength nylon handle has an ergonomic shape to give maximum grip and comfort
9.1
Superb
Amazon Logo
6
9.0
Superb
Amazon Basics 36-Piece Allen Wrench/Hex Key Set - Inch/SAE and Metric
Amazon Basics
Amazon Basics 36-Piece Allen Wrench/Hex Key Set - Inch/SAE and Metric
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Why We Love It
  • Durable chrome vanadium steel. Quick, easy size access. Ideal for numerous applications.
Main Highlights
  • 36-piece set of hex keys (aka Allen wrenches) for tightening or loosening screws; includes SAE and metric sizes
  • Ideal for working on bicycles, motorcycles, vehicles, furniture, machinery, and more
  • Made of durable chrome vanadium steel for rugged strength and rust resistance; black oxide finish
  • 2 hinged cases included, complete with dedicated slots for secure storage and clear size markings for quick, easy access
  • Measures 18.8 x 8.6 x 4.2 cm (LxWxH)
9.0
Superb
Amazon Logo
7
8.9
Excellent
Save 5%
12pcs 50mm Hex Allen Key Bit Set, S2 Steel Metric Hex Head Allen Wrench Drill, 1.5MM-8MM 1/4" Hexagon Shank Magnetic Inner Hexagon Screwdriver Bit with Magnetic Bits Holder&120MM Handle Screwdriver
K Kwokker
12pcs 50mm Hex Allen Key Bit Set, S2 Steel Metric Hex Head Allen Wrench Drill, 1.5MM-8MM 1/4" Hexagon Shank Magnetic Inner Hexagon Screwdriver Bit with Magnetic Bits Holder&120MM Handle Screwdriver
5% OffFree Shipping
Why We Love It
  • Industrial-grade, high-quality S2 steel.
  • Magnetic design ensures grip.
  • Wide application for versatility.
Main Highlights
  • 12PCS Allen Bit Set: There are 10 different sizes of inner hexagon bits：8 mm, 7 mm ,6 mm, 5 mm, 4 mm, 3.5 mm, 3 mm, 2.5 mm, 2 mm, 1.5 mm, which can meet your various needs. Length: 50mm. Type of Shank: 6.35mm, 1/4 inch. Also you can get a 60 mm long Magnetic Extension and one piece 120 mm handle screwdriver. The mini handle screwdriver size: 120mm length, suitable for the 1/4 inch (6.35 mm) hex shank screwdriver bit. Use different sizes to screw, will damage screwdriver and the screw!
  • Magnetic Design: The allen key screwdriver bits have been magnetized. Magnetic tips enhance attachment to screws for a secure grip, and it can minimize the wear of screws and increasing working efficiency. Exquisite workmanship, each edge can be accurately locked screws, no damage to the screw, and the screwdriver head.
  • Industrial Grade Quality: The hex drill bits made of high-quality S2 steel in a shiny rust-resistant finish, high hardness and good wear corrosion. The outer layer is wrapped with a wear-resistant rubber heat-shrinkable tube, which is rust-proof and waterproof.
  • Perfect Performance: The hex bits have experienced torsion and hardness test. The results of tests show that the maximum torsion force of bits are 180-200N and the hardness of bits are 58-60HRC. The high torsion and proper hardness avoid the bits break and wear.
  • Wide Application: The 1/4 inch quick release hex shank driver bits fit for electric screwdriver, hand screwdriver, electric drills & air drills. Ideal for working on vehicles, bicycles & furniture. Assembling/repairing your furniture in an easy way.
8.9
Excellent
Save 5%
Amazon Logo
8
8.7
Excellent
toolant Impact Hex Head Allen Wrench Set, 10pcs Metric, 1/4” Hex Shank CNC Machined S2 Steel Bits With Magnetism, 2” Long With Storage Box
toolant
toolant Impact Hex Head Allen Wrench Set, 10pcs Metric, 1/4” Hex Shank CNC Machined S2 Steel Bits With Magnetism, 2” Long With Storage Box
Free Shipping
Why We Love It
  • Durable S2 alloy steel.
  • Quick release hex-shank.
  • Resistant to rust.
Main Highlights
  • AugTouf impact hex head allen wrench drill bits. Torsion zone to absorb torque peaks to avoid breakage. For impact driver and heavy screw driving.
  • 10pcs metric-1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, 8mm. 1/4” quick release hex-shank, 2” long.
  • CNC machined tips, S2 alloy steel body, hardened core to increase bit strength and reduce fracture. Manganese Phosphate surface to prevent rust.
  • Strengthened magnetic impact bit helps you easy pick up screws. The magnetism doesn’t decay after multiple uses.
  • Widely used in home repairs, automobiles, and other screw driving applications. If you are not fully satisfied for any reason, please feel free to contact us via Amazon for 100% refund or replacement.
8.7
Excellent
Amazon Logo
9
8.7
Excellent
Save 27%
Park Tool HT-8 LLAVE ALLEN 8MM NUEVO, Black
Park Tool
Park Tool HT-8 LLAVE ALLEN 8MM NUEVO, Black
27% OffFree Shipping
Why We Love It
  • Ergonomically designed handle provides grip.
  • Extra long and deep hex.
  • Includes additional ball-driver feature.
Main Highlights
  • The dual density, ergonomically designed screwdriver handle provides secure grip and is moulded over an extra long, extra deep, super strong hex
  • Also features an additional ball-driver for those really hard to reach bolts
  • International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
8.7
Excellent
Save 27%
Amazon Logo
10
8.7
Excellent
Save 9%
BGS Diy 7882-8 | T-Handle L-Type Wrench | internal Hexagon / internal Hexagon with Ball Head | 8 mm, Black/Red
BGS Do it yourself
BGS Diy 7882-8 | T-Handle L-Type Wrench | internal Hexagon / internal Hexagon with Ball Head | 8 mm, Black/Red
9% OffFree Shipping
Why We Love It
  • Durable chrome vanadium steel.
  • Sleek black cutting edge.
  • Ergonomic 2-component handle.
Main Highlights
  • made of chrome vanadium steel
  • black finished cutting edge
  • long end in ball end finish
  • 2 component handle
  • short arm profile: internal hexagon 8 mm
  • long arm profile: internal hexagon ball point 8 mm
  • length: 200 mm
8.7
Excellent
Save 9%
Amazon Logo

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We scanned 175 products

We reviewed these offers relevant to the 8mm Allen Key Wrench within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Blue Spot Tools, STANLEY FATMAX, BBB, PEUTIER, Park Tool, Amazon Basics, K Kwokker, toolant, BGS Do it yourself, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best 8mm Allen Key Wrench in the market, we considered we took a deep dive into 876 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

  • The clear winner of our analysis is Blue Spot Tools Large Jumbo Metric Hex Key Set Allan Allen Hexagon Wrench 8-19mm, 15308. We love many things about this product by Blue Spot Tools. What sets it apart from the competition is Durable materials ensure longevity, Convenient storage case, Perfect for various applications.
  • The best value product for most shoppers and where user satisfaction is continuously the highest is Stanley 1.5 - 8mm Fatmax Locking Hex Key Set by STANLEY FATMAX based on online reviews by bloggers, experts and online shoppers.
  • The biggest bargain at the moment for 8mm Allen Key Wrench and the best cost-to-value ratio is Park Tool HT-8 LLAVE ALLEN 8MM NUEVO, Blackat Park Tool with a 27% discount.
  • Our list of the best 8mm Allen Key Wrench is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.