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Tom Ronan
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Mobile Service - Checking - Calibration - Repairs - Sales - 7 days a week (Weekend Service Available)
Mobile Service - Checking - Calibration - Repairs - Sales - 7 days a week (Weekend Service Available)

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Torque Wrench for the New Toyota Camry Towbar Application

Recently TWCS was contacted by a Toyota dealer asking for a 3/8” drive torque wrench with a maximum setting of 150Nm. A 3/8” drive torque wrench is not available for that setting.

The reason this torque wrench was required is for the new model Camry towbar mounting bolts which no longer have washers and instead have a 17mm high torque bolt that has to be torqued up to 150Nm. Due to very limited access between the chassis rail and the spare wheel well a 1/2" drive torque wrench and socket would not fit.

After visiting the dealer concerned and inspecting their requirement, we recommended that a Norbar 200TH (torque handle with 16mm spigot
end – refer photo) with a 17mm ring spanner end fitting would be suitable.

This torque wrench can also be used with an interchangeable ratchet head that is available, as well as a full range of other interchangeable end fittings including open end spanner ends.

If you have any questions or would like to place an order –
Torque to Tom 0417 826 344.
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Torque to Tom 0417 826 344 to place your order today!
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Precautions for Torque Wrenches with Extension Tools

If a Torque wrench is used with an extension i.e. crows foot spanner, this will extend the handle length and the actual torque will be greater than the set torque on the Torque Wrench. If you are using an extension which changes the length of your Torque Wrench here is a simple calculation so you can set your Torque Wrench to accurately achieve the desired torque.

Calculation formula: Torque wrench setting = desired torque x wrench length / wrench length + extension length

For example:
Desired Torque 200Nm
Length of Torque Wrench 360mm
Length of Extension 120mm
200Nm x 360mm / 360mm + 120mm = 150.0Nm
150.0Nm is the setting you would use on your Torque Wrench to achieve the desired torque of 200Nm.
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Merry Xmas specials Everyone!

To place an order Torque to Tom 0417 826 344
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TORQUE TIP - BACK OFF !!

The biggest killer of calibration on torque wrenches with an internal spring is operators who do not back the torque wrench setting off after use.

The best practice is to always return the setting to just under the minimum setting. This allows the spring to return to its natural free length and will help to maintain the calibration of the wrench.
Torque wrenches that are left wound up on high torque settings will generally fail calibration tests compared to ones that have been backed off. This is simply because the free length of the spring on torque wrenches that are left wound up become shorter, therefore causing calibration drop.

Want accuracy for longer? Don’t be lazy, don’t say you don’t have enough time, just back it off, it’s up to you.
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For all your Torque Wrench Calibration, sales, service & repair requirements!  Torque to Tom today - 0417 826 344!
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