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 127-1189
    製造零件編號020066
    BrandWera
    HK$417.89
    單位
    11 mm Switch Lever Joker Open End, Ring - 165 mm - - - -
    RS庫存編號 382-9393
    製造零件編號9109
    HK$181.32
    單位
    9 mm Combination - - - 149 mm - Nickel Chrome Plated - -
    RS庫存編號 910-2833
    製造零件編號467.9SLS
    BrandFacom
    HK$336.34
    單位
    9 mm Combination; Reversible SLS Bi-Hexagon Ergonomic 149 mm - Satin Chrome Yes -
    RS庫存編號 876-6382
    製造零件編號1RM-19
    BrandBahco
    HK$360.26
    單位
    19 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 248 mm - Chrome - Alloy Steel
    RS庫存編號 188-3635
    製造零件編號467BR.16
    BrandFacom
    HK$265.41
    單位
    16 mm - 467BR Open End, Ring Ratchet 208 mm - Satin Chrome - -
    RS庫存編號 737-0117
    製造零件編號41563234
    BrandSTAHLWILLE
    HK$301.56
    單位
    1/2 x 9/16 in Double Ended Ring - Bi-Hexagon - 174 mm - Chrome - Solid Steel
    RS庫存編號 876-6468
    製造零件編號10RM-14
    BrandBahco
    HK$184.18
    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 115 mm - Chrome - Alloy Steel
    RS庫存編號 187-5274
    製造零件編號85204
    BrandGearWrench
    HK$1,320.94
    單位
    1 in, 1/2 in, 3/4 in, 3/8 in, 5/16 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in, 11/16 in, 13/16 in, 15/16 in Reversible - - - - - Polished - 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 188-3626
    製造零件編號467B.9
    BrandFacom
    HK$186.70
    單位
    9 mm - 467B Open End, Ring - 149 mm - Satin Chrome - -
    RS庫存編號 188-3603
    製造零件編號467B.12
    BrandFacom
    HK$198.60
    單位
    12 mm - 467B Open End, Ring - 171 mm - Satin Chrome - -
    RS庫存編號 669-8145
    製造零件編號467BF.9
    BrandFacom
    HK$163.98
    單位
    9 mm Combination; Hinged 467F.9 - - 131.5 mm - Satin Chrome - -
    RS庫存編號 910-2880
    製造零件編號467.27SLS
    BrandFacom
    HK$1,010.72
    單位
    27 mm Reversible - Hexagon Ergonomic 356.6 mm - Satin Chrome Yes -
    RS庫存編號 876-6480
    製造零件編號41RM-10
    BrandBahco
    HK$170.15
    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 188-3639
    製造零件編號467BR.8
    BrandFacom
    HK$190.59
    單位
    8 mm - 467BR Open End, Ring Ratchet 140 mm - Satin Chrome - -
    RS庫存編號 910-2852
    製造零件編號467.14SLS
    BrandFacom
    HK$401.77
    單位
    14 mm Reversible - Hexagon Ergonomic 190 mm - Satin Chrome Yes -
    RS庫存編號 910-2928
    製造零件編號467S.17SLS
    BrandFacom
    HK$372.03
    單位
    17 mm Reversible - Hexagon Ergonomic 127 mm - Satin Chrome Yes -
    RS庫存編號 188-3611
    製造零件編號467B.18
    BrandFacom
    HK$263.01
    單位
    18 mm - 467B Open End, Ring - 236 mm - Satin Chrome - -
    RS庫存編號 829-2847
    製造零件編號467BR.11
    BrandFacom
    HK$221.17
    單位
    11 mm Double Ratchet, Durable Open End, Fast Work, Secure Work, Versatile, 2-in-1 Open End 467R.11 - - 165 mm - Chrome - Chrome Vanadium Steel
    RS庫存編號 188-3601
    製造零件編號467B.10
    BrandFacom
    HK$186.70
    單位
    10 mm - 467B Open End, Ring - 158 mm - Satin Chrome - -