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SAM 6-Piece Wrench Set, 3 to 10 mm, Steel
RS Stock No. 282-8618
Brand SAM
- Category: Spanner Sets
- Number of Pieces: 6
- Series: 62CT
AED 828.92
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Facom 46-Piece 1/4 in 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 1.964.78
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Facom 52-Piece 1/4 in 6 Point
RS Stock No. 188-3565
Brand Facom
- Drive Size: 1/4 in
- Drive Type: Square
- Ratchet Included: Yes
AED 2.151.05
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Facom 36-Piece 1/4 in 6 Point
RS Stock No. 188-3566
Brand Facom
- Drive Size: 1/4 in
- Imperial or Metric: Metric
- Ratchet Included: Yes
AED 1.370.84
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Facom 36-Piece 1/4 in 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 1.370.84
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Facom 46-Piece 1/4 in 6 Point
RS Stock No. 188-3569
Brand Facom
- Category: Socket Sets
- Number of Pieces: 46
- Set Type: Non-Impact Socket Set
AED 1.964.78
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Facom 32-Piece 6.35 mm 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 1.560.48
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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"
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.
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.
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.
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.
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.