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Torque Talk:

Published Sunday, April 01, 2001

In maintaining equipment or machinery, no one would argue that the simplest components are nuts and bolts. Similarly, most recognize that incorrect use of these basic components can lead to maintenance headaches at best, disasters at worst. The physics of fastening devices have been studied closely over the past decades, leading to improved methods of measuring and applying correct force. For many years, manual torque wrenches were the primary tool for applying the specified force to bolted connections. In the early 1970s, larger-scale projects and increased interest in improving worker productivity led to the development of the hydraulic ...

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