Ratchet Spanners

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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庫存編號 495-401
    製造零件編號003600
    BrandWera
    TWD2,156.00
    單位
    1/2 in Swivelling Ratchet Head Zyklop Square Multicomponent Kraftform 277 mm - - - Chrome Vanadium Steel
    RS庫存編號 123-0464
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    TWD1,321.00
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    1/4 in Fine Tooth Mechanism, Forward & Reverse Drive Switch Zyklop Mini 2 Bi-Hexagon Ergonomic, Kraftform 107 mm - - - Steel
    RS庫存編號 774-6728
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    BrandWera
    TWD905.00
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    19 mm Combination, Double Ended Joker Hexagon - 246 mm - Nickel Chrome Plated - Chrome Molybdenum Steel
    RS庫存編號 768-6872
    製造零件編號9213
    TWD999.00
    單位
    14 x 15 mm Double Ended - Bi-Hexagon - 190 mm - Chrome - -
    RS庫存編號 123-1805
    製造零件編號073295
    BrandWera
    TWD3,317.00
    單位
    1/2 in, 3/4 in, 7/16 in, 9/16 in - Joker Bi-Hexagon, Hexagon - 165 mm, 177 mm, 188 mm, 246 mm - - - -
    RS庫存編號 829-2838
    製造零件編號467R.10
    BrandFacom
    TWD757.00
    單位
    10 mm Double Ratchet, Durable Open End, Fast Work, Secure Work, Versatile, 2-in-1 Open End 467R.10 - - 158 mm - Chrome - Chrome Vanadium Steel
    RS庫存編號 667-3424
    製造零件編號85214
    TWD2,204.00
    單位
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    RS庫存編號 381-4420
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    TWD592.00
    毎批:1 個
    Lot(s)
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    製造零件編號RL.161
    BrandFacom
    TWD1,440.00
    單位
    1/4 in Lightweight - Square Ratchet 121 mm - - - -
    RS庫存編號 876-6354
    製造零件編號1RM-10
    BrandBahco
    TWD892.00
    單位
    10 mm Bigger and bi-directional size marking for easy identification, Switch for Quick change of right and left direction, 5º Action Angle, 12 Points Dynamic-Drive Profile Provides Longer Life for Screws and Nuts - - Straight 159 mm - Chrome - Alloy Steel
    RS庫存編號 139-565
    製造零件編號64.6X7
    BrandFacom
    TWD994.00
    單位
    6 x 7 mm Ultra-Compact Ring Head 64.6X7 - - 115 mm - Polished Chrome - -
    RS庫存編號 876-6506
    製造零件編號41RM-14
    BrandBahco
    TWD1,004.00
    單位
    14 mm Bigger and bi-directional size marking for easy identification, Switch for Quick change of right and left direction, 5º Action Angle, 12 Points Dynamic-Drive Profile Provides Longer Life for Screws and Nuts - - Straight 160 mm - Chrome - Alloy Steel
    RS庫存編號 509-9550
    製造零件編號9913D
    TWD1,212.00
    單位
    13 mm Pivot Head; Flex Combination - Pivot Head - 178 mm - Polished - Hardened Steel
    RS庫存編號 876-6480
    製造零件編號41RM-10
    BrandBahco
    TWD658.00
    單位
    10 mm Bigger and bi-directional size marking for easy identification, Switch for Quick change of right and left direction, 5º Action Angle, 12 Points Dynamic-Drive Profile Provides Longer Life for Screws and Nuts - - Straight 136 mm - Chrome - Alloy Steel
    RS庫存編號 668-5777
    BrandRS PRO
    TWD665.00
    單位
    1/4 in Mini Head; Reversible - Square - - - Black Chrome Plated - Chrome Vanadium Steel
    RS庫存編號 487-038
    BrandRS PRO
    TWD317.00
    單位
    17 mm Combination - - - 233 mm - Chrome - Chrome Vanadium Steel
    RS庫存編號 876-6461
    製造零件編號10RM-10
    BrandBahco
    TWD579.00
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    10 mm Bigger and bi-directional size marking for easy identification, Switch for Quick change of right and left direction, 5º Action Angle, 12 Points Dynamic-Drive Profile Provides Longer Life for Screws and Nuts - - Straight 95 mm - Chrome - Alloy Steel
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    TWD845.00
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    製造零件編號R.360
    BrandFacom
    TWD2,092.00
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    - - - - Ratchet 120 mm - Satin Chrome - Chrome Vanadium Steel