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Tightening torque calculation

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Typical Metric and Imperial bolt torques are indicated in the links below: Metric Bolts - Tightening Torques. US Bolts - Tightening Torques

Calculate required bolt torque

normal dry: K = 0.2.

nonplated black finish: K = 0.3.

zinc-plated: K = 0.2.

slightly lubricated: K = 0.18.

cadmium-plated: K = 0.16.

For more visit https://www.engineeringtoolbox.com/bolt-torque-load-calculator-d_2065.html

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