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Does using an extension on a torque wrench change the abliity to achieve the desired torque value?

April 26, 2017achieve Desired extension torque value wrench

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Does using an extension on a torque wrench change the abliity to achieve the desired torque value?

2 Answers

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If you use an extension spanner on the end of a torque wrench, the torque applied to the nut is greater than that shown on the torque wrench dial.If the torque wrench has a length L, and the extension spanner a length E (overall length of L+E) than:TRUE TORQUE= DIAL READING X (L+E)/Li.e the torque will be increased.

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If you use an extension spanner on the end of a torque wrench, the torque applied to the nut is greater than that shown on the torque wrench dial. If the torque wrench has a length L, and the extension spanner a length E (overall length of L+E) than: TRUE TORQUE= DIAL READING X (L+E)/L i.e the torque will be increased.