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. 829-2831
    Mfr. Part No.467BR.8
    BrandFacom
    £16.66
    Each
    Units
    8 mm 2-in-1 Open End, Double Ratchet, Durable Open End, Fast Work, Secure Work, Versatile 467BR.8 - - 140 mm - Chrome - Chrome Vanadium Steel
    RS Stock No. 910-2871
    Mfr. Part No.467.24SLS
    BrandFacom
    £54.74
    Each
    Units
    24 mm Reversible 467.24SLS Hexagon Ergonomic 321 mm - Satin Chrome Yes -
    RS Stock No. 509-9572
    Mfr. Part No.9915D
    £29.25
    Each
    Units
    15 mm Pivot Head; Flex Combination - Pivot Head - 199 mm - - - -
    RS Stock No. 381-4414
    Mfr. Part No.4-87-989
    BrandStanley
    £13.23
    1 Lot of 1
    Lot(s)
    13 → 19 mm - - Hook Bi-material 230 mm - Phosphate - -
    RS Stock No. 669-8142
    Mfr. Part No.467BF.8
    BrandFacom
    £17.14
    Each
    Units
    8 mm Combination; Hinged 467BF.8 - - 127 mm - Satin Chrome - -
    RS Stock No. 876-6458
    Mfr. Part No.1RZ-9/16
    BrandBahco
    £19.73
    Each
    Units
    9/16 in 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 190 mm - Chrome - Alloy Steel
    RS Stock No. 778-2291
    Mfr. Part No.58250065
    BrandSTAHLWILLE
    £155.06
    Each
    Units
    3/4 in Heavy Duty - Square - - - - - -
    RS Stock No. 910-2843
    Mfr. Part No.467.13SLS
    BrandFacom
    £32.38
    Each
    Units
    13 mm Reversible 467.13SLS Hexagon Ergonomic 178 mm - Satin Chrome Yes -
    RS Stock No. 876-6455
    Mfr. Part No.1RZ-7/16
    BrandBahco
    £21.06
    Each
    Units
    7/16 in 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 165 mm - Chrome - Alloy Steel
    RS Stock No. 910-2868
    Mfr. Part No.467.17SLS
    BrandFacom
    £38.89
    Each
    Units
    17 mm Reversible 467.17SLS Hexagon Ergonomic 225 mm - Satin Chrome Yes -
    RS Stock No. 382-9438
    Mfr. Part No.9112
    £18.90
    Each
    Units
    12 mm Combination - - - 172 mm - Nickel Chrome Plated - -
    RS Stock No. 876-6379
    Mfr. Part No.1RM-17
    BrandBahco
    £25.29
    Each
    Units
    17 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 226 mm - Chrome - Alloy Steel
    RS Stock No. 876-6411
    Mfr. Part No.1RM-8
    BrandBahco
    £16.78
    Each
    Units
    8 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 140 mm - Chrome - Alloy Steel
    RS Stock No. 768-6884
    Mfr. Part No.9215D
    £31.70
    Each
    Units
    17 x 19 mm Double Ended - Bi-Hexagon - 230 mm - Chrome - -
    RS Stock No. 910-2880
    Mfr. Part No.467.27SLS
    BrandFacom
    £88.35
    Each
    Units
    27 mm Reversible - Hexagon Ergonomic 356.6 mm - Satin Chrome Yes -
    RS Stock No. 510-6412
    Mfr. Part No.9132
    £44.10
    Each
    Units
    32 mm Combination - - - 426 mm - Nickel Chrome Plated - -
    RS Stock No. 876-6480
    Mfr. Part No.41RM-10
    BrandBahco
    £13.97
    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 136 mm - Chrome - Alloy Steel
    RS Stock No. 910-2865
    Mfr. Part No.467.19SLS
    BrandFacom
    £41.95
    Each
    Units
    19 mm Reversible - Hexagon Ergonomic 247 mm - Satin Chrome Yes -
    RS Stock No. 705-4821
    Mfr. Part No.003695
    BrandWera
    £22.66
    Each
    Units
    1/2 in - Koloss - Extension 341 mm - - - Steel
    RS Stock No. 876-6464
    Mfr. Part No.10RM-13
    BrandBahco
    £12.81
    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 108 mm - Chrome - Alloy Steel
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