Hydraulic torque wrench

Difficult bolting made easy with a hydraulic torque wrench.

Flange bolting with hydraulic torque wrench.

Four narrow clearance hydraulic torque wrenches on a flange.

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A hydraulic torque wrench is a tool designed to exert torque on a fastener to achieve proper tightening or loosening of a connection through the use of hydraulics. A torque wrench is applied to the nut either directly or in conjunction with an impact socket. Hydraulic torque wrenches apply a predetermined, controlled amount of torque to a properly lubricated fastener. The hydraulic Torque wrench was first on the World Market in the Early 1960's as a primitive version, and many advances in hydraulic torque wrenches have made the tools better, as new generations of models come about.

See also

• Electric torque wrench
• Pneumatic torque wrench
• Power tool
• Socket wrench