Hex Keys

Hex Keys commonly referred to as Allen Keys are hand tools found in any toolbox or household. Their primary purpose is to loosen or tighten hexagonal head fasteners. They are available as a singular key piece or as a Key Set with different lengths. RS Components offer a huge range of the most popular brands such as; Bahco, Facom, Gedore, Wera, Weller, Wiha Tools, Stanley and RS PRO with large stock quantities.


Choosing the right Hex Key


Whether you are a DIY enthusiast or a Tradesperson it is very important to have the right Hex Key. Our extensive range has been chosen to meet all your solution needs from L-Shaped Hex Keys to specialist VDE approved Hex Keys.


Hex Key Types


  • L-Shaped: The most common type of Hex Key that has the same size head on each end, allowing the key to be used in either orientation. The longer arm allows greater leverage and more torque, whereas the shorter arm allows better access into confined spaces with restricted access.

  • T-Handle: Designed with a more comfortable, ergonomic handle so that it is easier to use a higher amount of torque on stubborn fasteners. Some T-shaped keys have a secondary Hex Key integrated into the handle, allowing easier access.

  • Straight: Designed for better torque transfer and more in the mould of a screwdriver. They are ergonomic, contoured to fit your hand and offer improved control and more comfort.

  • Folding Hex: Folding Hex Key Sets are a handy way to keep differing Allen Key sizes all in one place. The Hex Keys fold-up neatly into a handle, fit comfortably in your hand and stored easily in a pocket or pouch. Convenient and versatile, ideal for on-the-go applications.

What Sizes do Hex Keys come in?


  • Metric (mm)

  • Imperial (inches)

What are the most common types of Hex Keys?


  • Hexagon

  • Hex-Plus

  • Ball End

What are the advantages of Hex-Plus?


A Hex-Plus profile offers a larger contact surface within the fastener head, reducing the notching effects and risk of damaging the fastener recess.


What is the advantage of a Ball End Hex Key?


The ball end on a hexagon key allows it to be inserted smoothly into a socket head. This ability to slide in allows for easier blind insertion, allowing you to more effectively feel the keys way into the socket more easily. As such, for difficult to access sockets, ball end hex keys are preferable.


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Description Price Imperial or Metric Number of Pieces Hex Key Size Shape Short or Long Arm Finish Hex Key Type Non Sparking Height Safe Material VDE/1000V Approved Priced to Clear
RS Stock No. 755-4172
Mfr. Part No.84TC.5
BrandFacom
£14.54
Each
Units
Metric 1 5mm T Long - Hexagon - - - - -
RS Stock No. 538-757
Mfr. Part No.99PS40N
£60.60
Each
Units
Imperial 11 - Straight - - Hexagon - - Carbon Steel - -
RS Stock No. 235-2741
Mfr. Part No.83SH.3
BrandFacom
£2.26
Each
Units
Metric 1 3mm L Long - Ball End - - Silicon Steel - -
RS Stock No. 323-1982
Mfr. Part No.022795
BrandWera
£3.36
Each
Units
Metric 1 1.5mm Straight Long - Ball End, Hex Screwdriver - - - - -
RS Stock No. 185-570
Mfr. Part No.022086
BrandWera
£15.21
Each
Units
Metric 9 1.5mm L Long - Ball End - - - - -
RS Stock No. 323-2014
Mfr. Part No.022805
BrandWera
£3.35
Each
Units
Metric 1 3mm Straight Long - Hexagon - - - - -
RS Stock No. 123-0770
Mfr. Part No.022630
BrandWera
£3.44
Each
Units
- - 5/64in L Long - Ball End - - - - -
RS Stock No. 321-0682
Mfr. Part No.22170
BrandWiha Tools
£5.75
Each
Units
Metric 1 4mm T Long - Hexagon - - Chrome Vanadium Steel - -
RS Stock No. 775-5647
Mfr. Part No.022704
BrandWera
£3.63
Each
Units
Metric 1 4mm L Long - Ball End - - Stainless Steel - -
RS Stock No. 538-763
Mfr. Part No.99PS41MMN
£60.60
Each
Units
Metric 9 1.3mm - - - Hexagon - - HCS - -
RS Stock No. 775-5640
Mfr. Part No.022702
BrandWera
£3.37
Each
Units
Metric 1 2.5mm L Long - Ball End - - Stainless Steel - -
RS Stock No. 235-2735
Mfr. Part No.83SH.2,5
BrandFacom
£2.26
Each
Units
Metric 1 2.5mm L Long - Ball End - - Silicon Steel - -
RS Stock No. 614-0823
Mfr. Part No.01174
BrandWiha Tools
£7.14
1 Set
Set(s)
Metric 9 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 8.0 mm, 10.0mm L Short - Hexagon - - Chrome Vanadium Steel - -
RS Stock No. 755-4125
Mfr. Part No.84TZ.2,5
BrandFacom
£4.14
Each
Units
Metric 1 2.5mm T Long - Hexagon - - Silicon Steel - -
RS Stock No. 187-8371
Mfr. Part No.01222
BrandWiha Tools
£14.29
Each
Units
Metric 9 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 8.0 mm, 10.0mm L - - Hexagon - - Chrome Vanadium Steel - -
RS Stock No. 775-5656
Mfr. Part No.022705
BrandWera
£4.27
Each
Units
Metric 1 5mm L Long - Ball End - - Stainless Steel - -
RS Stock No. 772-2873
Mfr. Part No.80573
£81.50
Each
Units
Metric 8 3 mm, 4.0 mm, 5.0 mm, 6.0 mm, 7.0 mm, 8.0 mm, 9.0 mm, 10.0mm Straight Long - Hexagon - - Hardened Steel - -
RS Stock No. 235-2713
Mfr. Part No.83SH.1,5
BrandFacom
£2.26
Each
Units
Metric 1 1.5mm L Long - Ball End - - Silicon Steel - -
RS Stock No. 235-3766
Mfr. Part No.86H.JE7B
BrandFacom
£17.75
Each
Units
- 7 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6mm - - Phosphate - - - Silicon Steel - -
RS Stock No. 876-6672
Mfr. Part No.903T-1
BrandBahco
£56.55
Each
Units
Metric 6 3 mm, 4 mm, 5.0 mm, 6.0 mm, 8.0 mm, 10.0mm T Long, Short - Hexagon - - Steel - -