Allen key set sizes

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RS PRO 52-Piece Metric 1/4 in Deep Socket/Standard Socket/Allen Key/Bit Set with Ratchet

RS Stock No. 833-5935

Brand RS Pro

Category: Socket Sets
Finish: Chrome
Imperial or Metric: Metric

AED 604.12

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Facom 30-Piece Metric 1/4 in Deep Socket/Standard Socket/Allen Key Set with Ratchet, 6 point

RS Stock No. 235-0259

Brand Facom

Drive Size: 1/4 in
Ratchet Included: Yes
Socket Size: 3.2 → 14mm

AED 2.200.42

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Facom 46-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point

RS Stock No. 188-3570

Brand Facom

Ratchet Included: Yes
Set Type: Non-Impact Socket Set
Socket Set Type: Standard Socket/Allen Key/Bit Set

AED 1.760.42

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Facom 38-Piece Imperial 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 12 point

RS Stock No. 235-0260

Brand Facom

Category: Socket Sets
Drive Size: 1/4 in
Socket Size: 3/16 → 9/32in

AED 1.957.32

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Facom 36-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point

RS Stock No. 188-3564

Brand Facom

Category: Socket Sets
Set Type: Non-Impact Socket Set
Socket Set Type: Standard Socket/Allen Key/Bit Set

AED 1.228.24

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Facom 52-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point

RS Stock No. 188-3565

Brand Facom

Drive Size: 1/4 in
Drive Type: Square
Ratchet Included: Yes

AED 1.927.28

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Facom 36-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point

RS Stock No. 188-3566

Brand Facom

Drive Size: 1/4 in
Imperial or Metric: Metric
Ratchet Included: Yes

AED 1.228.24

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Facom 46-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point

RS Stock No. 188-3569

Brand Facom

Category: Socket Sets
Number of Pieces: 46
Set Type: Non-Impact Socket Set

AED 1.760.42

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Facom 32-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point

RS Stock No. 235-6293

Brand Facom

Number of Pieces: 32
Ratchet Included: Yes
Socket Set Type: Standard Socket/Allen Key/Bit Set

AED 1.398.19

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Bahco 46-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point; e-Torx; Hex Bit; Phillips Bit;

RS Stock No. 358-1265

Brand Bahco

Category: Socket Sets
Ratchet Included: Yes
Socket Set Type: Standard Socket/Allen Key/Bit Set

AED 1.081.61

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Bahco 94-Piece Imperial, Metric 1/2 in; 1/4 in Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set with Ratchet, 6

RS Stock No. 358-1271

Brand Bahco

Finish: Chrome
Imperial or Metric: Imperial, Metric
Ratchet Included: Yes

AED 2.953.16

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Bahco 138-Piece Imperial, Metric 1/2 in; 1/4 in; 3/8 in Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set with

RS Stock No. 876-6180

Brand Bahco

Drive Size: 1/2 in
Head Type: Hexagon
Socket Size: 4 → 13mm

AED 3.229.66

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Bahco 103-Piece Metric 1/2 in; 1/4 in Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set with Ratchet, 6 point; Hex

RS Stock No. 876-6196

Brand Bahco

Imperial or Metric: Metric
Ratchet Included: Yes
Socket Head Type: 6 point

AED 3.167.98

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Bahco 108-Piece Metric 1/2 in; 1/4 in Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set with Ratchet, 6 point;

RS Stock No. 876-6698

Brand Bahco

Imperial or Metric: Metric
Material: Alloy Steel
Number of Pieces: 108

AED 3.349.67

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SAM 34-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point; Phillips Bit; Pozidriv Bit; Slotted

RS Stock No. 221-3263

Brand SAM

Drive Type: Square
Number of Pieces: 34
Socket Head Type: 6 point

AED 912.26

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SAM 34-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point; Phillips Bit; Pozidriv Bit; Slotted

RS Stock No. 221-3265

Brand SAM

Category: Socket Sets
Drive Type: Square
Socket Head Type: 6 point

AED 913.37

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Bahco 91-Piece Metric 1/2 in; 1/4 in Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set with Ratchet, 6 point; Hex

RS Stock No. 361-2331

Brand Bahco

Ratchet Included: Yes
Socket Head Type: 6 point
Socket Set Type: Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set

AED 2.363.04

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Bahco 106-Piece Imperial, Metric 1/2 in; 1/4 in Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set with Ratchet, 6

RS Stock No. 361-3148

Brand Bahco

Imperial or Metric: Imperial, Metric
Ratchet Included: Yes
Socket Set Type: Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set

AED 2.634.04

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Wera 19 piece Allen Hexagon Impact Screwdriver & Bit Set

RS Stock No. 263-3829

Brand Wera

Category: Impact Screwdrivers
Drive Size: 1/4 in
Super Section Link: https://ae.rsdelivers.com/category/mechanical-fluid-power-tools/hand-tools/screwdrivers-hex-torx-keys

AED 806.42

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SAM 62CT Series 6-Piece Wrench Set, 3 → 10 mm, Steel

RS Stock No. 282-8618

Brand SAM

Category: Spanner Sets
Number of Pieces: 6
Series: 62CT

AED 952.34

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What is an Allen key set, and what sizes are typically included?

An Allen key set, also known as hex keys or hex wrenches, is a collection of small L‑shaped drivers designed to fit hexagonal socket screws. They come in two main sizing systems: metric (millimeters) and imperial/SAE (inches). A typical full set covers a broad range so you can tackle most common hardware. Common inclusions are:

Metric sizes: 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 7.0 mm, 8.0 mm, 9.0 mm, 10.0 mm
Imperial (SAE) sizes: 1/16", 5/64", 3/32", 1/8", 3/16", 7/32", 1/4", 5/16", 3/8"

Some sets offer variations such as ball-end hex keys for reaching angled fasteners, longer arms for extra leverage, or folding designs for pocket use. The exact included sizes vary by brand and model, so always check the product listing for the precise size range.

How do I choose the right Allen key set sizes for my toolkit?

The best choice depends on the types of projects you tackle and the hardware you encounter. Here are factors to consider:

Project category: bicycles and motorcycles often use both metric and imperial hex sizes; furniture and appliances may require a wide metric range.
Measurement system: if you work with international hardware, pick a mixed metric/imperial set or two sets to cover both systems.
Drive style: standard L-shaped keys are common, but ball-end keys help in tight angles; long-arm keys provide extra reach for recessed screws.
Case type: compact folding sets save space; stacked or separate rail sets are easier to organize in a workshop.
Quality and material: look for chrome vanadium or S2 tool steel, heat treatment, and corrosion resistance for durability when exposed to moisture or solvents.

In short, choose a set that combines the most frequently used metric and/or SAE sizes for your typical projects, plus a couple of specialty options (ball-end or folding) if your work often involves hard-to-reach fasteners.

What are common uses for different Allen key set sizes?

Hex keys are versatile across many domains. Typical tasks and suggested size ranges include:

Furniture assembly and flat-packKit: mid-range metric sizes like 4.0–6.0 mm, sometimes 8.0 mm for heavier frames.
Bicycles and bicycles repair: a mix of small and mid sizes (1.5–4.5 mm, 5.0–6.0 mm); certain bolts may require larger end sizes in the 8.0–10.0 mm range.
Automotive and machinery: broad coverage including 2.5–6.0 mm and 1/8"–3/16" for dashboards, panels, and linkage screws.
Electronics and PC builds: smaller metric keys like 1.5–2.5 mm for case screws and mounting plates.
General maintenance: a mixed set or a 9–12 piece metric set covers most household repairs.

Regardless of the size, using the correct hex key prevents stripping and reduces damage to fasteners. If in doubt, start with the smallest fitting key and work up to the next size if it’s slightly loose.

What features should I look for in a high‑quality Allen key set?

For longevity and ease of use, prioritize:

Material and finish: chrome vanadium steel or high‑quality alloy steels with heat treatment offer strength and wear resistance. Some sets use S2 tool steel for extra hardness.
Finish and corrosion protection: black oxide, chrome finish, or anti‑rust coatings help resist corrosion in workshop environments.
Size identification: clearly labeled sizes, color‑coded handles, or laser/engraved marks speed up selection in busy work scenarios.
Variants: options include ball-end hex keys for angled access, long‑arm versions for leverage, and folding sets for portability.
Case and storage: a robust, organized case or rail keeps sizes sorted and reduces misplacement in toolboxes.

A well‑made Allen key set balances a broad size range with practical features that match your typical tasks, whether you’re assembling furniture or performing precise mechanical work.

What is a folding Allen key set, and when should I use one?

Folding hex key sets integrate multiple hex keys into a compact, pocket‑friendly mechanism. They are ideal when you need access on the go, in tight spaces, or when you want to carry a few essential sizes without a bulky case. Typical folding sets include a selection of common metric or SAE sizes and often incorporate a spring‑loaded hinge for quick access. Use folding sets for field service, bicycle maintenance on the road, camping gear assembly, and any situation where portability matters.

How can I prevent stripping or rounding when using hex keys?

Preventing damage starts with selecting the correct size and using the tool properly:

Always choose the snugest fitting hex key; avoid forcing a larger size into a fastener.
Apply steady, even pressure and avoid sudden twists or perpendicular torque that can shear the bolt head.
Work in a clean environment; dirt or grit can cause slippage and rounding.
When dealing with high-torque applications, consider a longer arm or a power tool adapter designed for hex drives, but use caution to avoid over‑torquing.
Inspect and replace bent or damaged keys to prevent slippage and tool damage.

Following these practices helps maintain fastener integrity and extends the life of your Allen key set.

Do Allen key sets come with color coding or labels to identify sizes quickly?

Yes. Many modern Allen key sets feature color‑coded handles or clearly printed size labels on each key. This helps you quickly locate the right size under time pressure. Some premium sets add a molded case with size separation or a magnetic rail to keep keys in place. Color coding is especially useful in busy workshops or when performing quick field repairs, reducing the chance of selecting the wrong size.

What other tools complement an Allen key set for a complete hardware toolkit?

To expand your toolkit around Allen keys, consider:

Torque drivers or adjustable torque wrenches for controlled fastening.
Metric and SAE hex bit sets for power tools and impact drivers.
Screwdrivers with hex bit adapters for quick bit exchanges.
Socket adapters or L‑shaped hex keys in longer lengths for challenging fasteners.
Storage solutions like labeled organizers or magnetic strips to keep sizes accessible.

These additions help you handle a wider range of tasks—from precision electronics assembly to heavy furniture construction and bike maintenance—while keeping your Allen key set sizes organized and ready.

Allen Hex Keys Allen key sets Screwdriver set Spanner sets Cable ties sizes Legrand 13a socket Metal Alloy Isabellenhutte Cable Mount Photoelectric Sensors Rittal enclosures Siemens metal

"Allen key set sizes"

RS PRO 52-Piece Metric 1/4 in Deep Socket/Standard Socket/Allen Key/Bit Set with Ratchet

Facom 30-Piece Metric 1/4 in Deep Socket/Standard Socket/Allen Key Set with Ratchet, 6 point

Facom 46-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point

Facom 38-Piece Imperial 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 12 point

Facom 36-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point

Facom 52-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point

Facom 36-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point

Facom 46-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point

Facom 32-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point

Bahco 46-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point; e-Torx; Hex Bit; Phillips Bit;

Bahco 94-Piece Imperial, Metric 1/2 in; 1/4 in Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set with Ratchet, 6

Bahco 138-Piece Imperial, Metric 1/2 in; 1/4 in; 3/8 in Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set with

Bahco 103-Piece Metric 1/2 in; 1/4 in Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set with Ratchet, 6 point; Hex

Bahco 108-Piece Metric 1/2 in; 1/4 in Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set with Ratchet, 6 point;

SAM 34-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point; Phillips Bit; Pozidriv Bit; Slotted

SAM 34-Piece Metric 1/4 in Standard Socket/Allen Key/Bit Set with Ratchet, 6 point; Phillips Bit; Pozidriv Bit; Slotted

Bahco 91-Piece Metric 1/2 in; 1/4 in Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set with Ratchet, 6 point; Hex

Bahco 106-Piece Imperial, Metric 1/2 in; 1/4 in Deep Socket/Standard Socket/Spanner/Allen Key/Bit Set with Ratchet, 6

Wera 19 piece Allen Hexagon Impact Screwdriver & Bit Set

SAM 62CT Series 6-Piece Wrench Set, 3 → 10 mm, Steel

What is an Allen key set, and what sizes are typically included?

How do I choose the right Allen key set sizes for my toolkit?

What are common uses for different Allen key set sizes?

What features should I look for in a high‑quality Allen key set?

What is a folding Allen key set, and when should I use one?

How can I prevent stripping or rounding when using hex keys?

Do Allen key sets come with color coding or labels to identify sizes quickly?

What other tools complement an Allen key set for a complete hardware toolkit?