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 139-565
    製造零件編號64.6X7
    BrandFacom
    HK$264.45
    單位
    6 x 7 mm Ultra-Compact Ring Head 64.6X7 - - 115 mm - Polished Chrome - -
    RS庫存編號 876-6373
    製造零件編號1RM-18
    BrandBahco
    HK$309.26
    單位
    18 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 237 mm - Chrome - Alloy Steel
    RS庫存編號 509-9544
    製造零件編號9912D
    HK$303.32
    單位
    12 mm Pivot Head; Flex Combination - Pivot Head - 172 mm - - - -
    全新
    RS庫存編號 191-4106
    製造零件編號S.151B
    BrandFacom
    HK$311.87
    單位
    1/2 in - - Square - 260 mm - - - -
    RS庫存編號 829-2866
    製造零件編號467BR.19
    BrandFacom
    HK$346.17
    單位
    19 mm Double Ratchet, Durable Open End, Fast Work, Secure Work, Versatile, 2-in-1 Open End 467BR.19 - - 247 mm - Chrome - Chrome Vanadium Steel
    RS庫存編號 911-1496
    BrandRS PRO
    HK$406.51
    單位
    17 x 19 mm - - - Insulated 250 mm Yes - - Chrome Vanadium Steel
    RS庫存編號 910-2837
    製造零件編號467.10SLS
    BrandFacom
    HK$313.39
    單位
    10 mm Reversible 467.10SLS Hexagon Ergonomic 158 mm - Satin Chrome Yes -
    RS庫存編號 876-6411
    製造零件編號1RM-8
    BrandBahco
    HK$171.07
    單位
    8 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 140 mm - Chrome - Alloy Steel
    RS庫存編號 829-2869
    製造零件編號467BR.17
    BrandFacom
    HK$318.77
    單位
    17 mm Double Ratchet, Durable Open End, Fast Work, Secure Work, Versatile, 2-in-1 Open End 467BR.17 - - 225 mm - Chrome - Chrome Vanadium Steel
    RS庫存編號 910-2852
    製造零件編號467.14SLS
    BrandFacom
    HK$292.82
    單位
    14 mm Reversible - Hexagon Ergonomic 190 mm - Satin Chrome Yes -
    RS庫存編號 910-2868
    製造零件編號467.17SLS
    BrandFacom
    HK$321.19
    單位
    17 mm Reversible 467.17SLS Hexagon Ergonomic 225 mm - Satin Chrome Yes -
    全新
    RS庫存編號 188-3629
    製造零件編號467B.JP10
    BrandFacom
    HK$2,246.97
    單位
    8 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 16 mm, 17 mm, 18 mm, 19 mm Combination 467B - - - - - - -
    RS庫存編號 910-2906
    製造零件編號467S.11SLS
    BrandFacom
    HK$274.08
    單位
    11 mm Reversible - Hexagon Ergonomic 103 mm - Satin Chrome Yes -
    全新
    RS庫存編號 188-3633
    製造零件編號467BR.12
    BrandFacom
    HK$197.86
    單位
    12 mm - 467BR Open End, Ring Ratchet 171 mm - Satin Chrome - -
    RS庫存編號 876-6464
    製造零件編號10RM-13
    BrandBahco
    HK$174.95
    單位
    13 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 108 mm - Chrome - Alloy Steel
    RS庫存編號 910-2843
    製造零件編號467.13SLS
    BrandFacom
    HK$269.04
    單位
    13 mm Reversible 467.13SLS Hexagon Ergonomic 178 mm - Satin Chrome Yes -
    RS庫存編號 911-1499
    BrandRS PRO
    HK$447.98
    單位
    21 x 26 mm - - - Insulated 295 mm Yes - - Chrome Vanadium Steel
    RS庫存編號 127-1197
    製造零件編號020073
    BrandWera
    HK$556.09
    單位
    18 mm Switch Lever Joker Open End, Ring - 234 mm - - - -
    RS庫存編號 123-0485
    製造零件編號003780
    BrandWera
    HK$596.13
    單位
    - - - - - 281 mm - - - -
    全新
    RS庫存編號 188-3649
    製造零件編號467B.JP12PB
    BrandFacom
    HK$1,921.92
    單位
    7 mm, 8 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm Combination 467B - - - - - - -