Ratchet Spanners

A ratchet spanner or wrench uses a mechanism which allows an open-ended, flare or ring head to turn a fastener in one direction but not the other while remaining fitted to the fastener head. By turning the spanner over or flicking a lever, it changes the direction of movement.


This piece of equipment is essential to any toolbox as it can tighten and loosen a nut or bolt, and by applying the correct amount of torque to the fastening, it can save time and effort. Some manufacturers choose to etch the arrows of the torque direction near the lever, making it easier for the user to identify the direction to tighten or loosen in.


Combination spanners only have one ratchet head, with a non-ratcheted head on the other end. They combine a 2 in 1 use where the non-ratcheted end can start or finish the fastening and the ratcheted end can do the hard work, giving the benefit of minimal effort for the end user.


Common ratchet spanner head types:


  • Ring Head: The most frequently used type of ratchet head. They are especially useful as they apply force to all sides of the fastener, offering additional grip to avoid coming off the nut or bolt whilst the tool is in use.

  • Reversible: The simple reversing mechanism allows to user to adjust the direction of the ratchet simply by moving the lever across on the tool.

  • Flare Nut Spanner: Also known as a 'crow's foot' spanner or a 'brake nut' spanner, it provides contact at six points on the fastener, allowing a secure grip.

  • Open Ended Spanner: An essential spanner for any tool box, it can also come with a ratchet mechanism meaning this versatile tool can be used across various settings.

  • Open Ended Ratchet: This ratchet has an altered profile which can catch the fastening in one direction to apply the torque to loosen or tighten it. It can only move in one direction and can be turned over to change the direction of the torque application.

  • What are ratchet spanners made of?


    Most spanners are made with Chrome Vanadium steel which is structurally strong. It's toughness enables it to withstand high fatigue and wear, with the added benefit of being resistant to corrosion and oxidisation, improving the life of the tool.


    What size do ratchet spanners come in?


    Ratchet spanners are available in a variety of metric and imperial sizes which makes them a flexible tool for any setting that they are required to be used in.


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    Description Price Size Special Features Model Shape Handle Type Overall Length VDE/1000V Approved Finish Height Safe Material
    RS Stock No. 669-8149
    Mfr. Part No.467BF.10
    BrandFacom
    £18.46
    Each
    Units
    10 mm Combination; Hinged 467F.10 - - 136 mm - Satin Chrome - -
    RS Stock No. 457-1916
    Mfr. Part No.MS41RS-10
    BrandSibille
    £52.32
    Each
    Units
    10 mm Non Reversible; Ratchet Ring - Hexagon Insulated - Yes - - -
    RS Stock No. 123-0523
    Mfr. Part No.004095
    BrandWera
    £76.98
    Each
    Units
    1/2 in Fine Tooth Mechanism, Secure Socket Locking Function Zyklop Square Kraftform 271 (8797C) mm, 281 (8006C) mm - - - -
    RS Stock No. 774-6725
    Mfr. Part No.073277
    BrandWera
    £24.21
    Each
    Units
    17 mm Combination, Double Ended Joker Hexagon - 224 mm - Nickel Chrome Plated - Chrome Molybdenum Steel
    RS Stock No. 509-9594
    Mfr. Part No.9917
    £31.90
    Each
    Units
    17 mm Pivot Head; Flex Combination - Pivot Head - 226 mm - Polished - Hardened Steel
    RS Stock No. 829-2869
    Mfr. Part No.467BR.17
    BrandFacom
    £23.20
    Each
    Units
    17 mm 2-in-1 Open End, Double Ratchet, Durable Open End, Fast Work, Secure Work, Versatile 467BR.17 - - 225 mm - Chrome - Chrome Vanadium Steel
    RS Stock No. 774-6728
    Mfr. Part No.073279
    BrandWera
    £23.63
    Each
    Units
    19 mm Combination, Double Ended Joker Hexagon - 246 mm - Nickel Chrome Plated - Chrome Molybdenum Steel
    RS Stock No. 382-9450
    Mfr. Part No.9114D
    £21.16
    Each
    Units
    14 mm Combination - - - 191 mm - Nickel Chrome Plated - -
    RS Stock No. 509-9617
    Mfr. Part No.9919D
    £34.35
    Each
    Units
    19 mm Pivot Head; Flex Combination - Pivot Head - 248 mm - - - -
    RS Stock No. 876-6360
    Mfr. Part No.1RM-13
    BrandBahco
    £21.43
    Each
    Units
    13 mm 12 Points Dynamic-Drive Profile Provides Longer Life for Screws and Nuts, 5º Action Angle, Bigger and bi-directional size marking for easy identification, Switch for Quick change of right and left direction - - Straight 178 mm - Chrome - Alloy Steel
    RS Stock No. 509-9493
    Mfr. Part No.9908D
    £22.95
    Each
    Units
    8 mm Pivot Head; Flex Combination - Pivot Head - 140 mm - - - -
    RS Stock No. 381-4408
    Mfr. Part No.4-87-988
    BrandStanley
    £8.23
    1 Lot of 1
    Lot(s)
    8 → 14 mm - - Hook Bi-material 200 mm - Phosphate - -
    RS Stock No. 737-0129
    Mfr. Part No.41562428
    BrandSTAHLWILLE
    £21.65
    Each
    Units
    3/8 x 7/16 in Double Ended Ring - Bi-Hexagon - 139 mm - Chrome - Solid Steel
    RS Stock No. 876-6461
    Mfr. Part No.10RM-10
    BrandBahco
    £11.28
    Each
    Units
    10 mm 12 Points Dynamic-Drive Profile Provides Longer Life for Screws and Nuts, 5º Action Angle, Bigger and bi-directional size marking for easy identification, Switch for Quick change of right and left direction - - Straight 95 mm - Chrome - Alloy Steel
    RS Stock No. 139-565
    Mfr. Part No.64.6X7
    BrandFacom
    £23.84
    Each
    Units
    6 x 7 mm Ultra-Compact Ring Head 64.6X7 - - 115 mm - Polished Chrome - -
    RS Stock No. 829-2866
    Mfr. Part No.467BR.19
    BrandFacom
    £26.41
    Each
    Units
    19 mm 2-in-1 Open End, Double Ratchet, Durable Open End, Fast Work, Secure Work, Versatile 467BR.19 - - 247 mm - Chrome - Chrome Vanadium Steel
    RS Stock No. 382-9466
    Mfr. Part No.9115D
    £22.20
    Each
    Units
    15 mm Combination - - - 199 mm - Nickel Chrome Plated - -
    RS Stock No. 876-6354
    Mfr. Part No.1RM-10
    BrandBahco
    £18.16
    Each
    Units
    10 mm 12 Points Dynamic-Drive Profile Provides Longer Life for Screws and Nuts, 5º Action Angle, Bigger and bi-directional size marking for easy identification, Switch for Quick change of right and left direction - - Straight 159 mm - Chrome - Alloy Steel
    RS Stock No. 910-2883
    Mfr. Part No.467.30SLS
    BrandFacom
    £96.03
    Each
    Units
    30 mm Reversible - Hexagon Ergonomic 400.7 mm - Satin Chrome Yes -
    RS Stock No. 667-3415
    Mfr. Part No.85212
    £45.50
    Each
    Units
    16, 17, 18, 19 mm Double Ended - - - 230 mm - Chrome - -
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