What Is a High Torque Impact Wrench?

A high torque impact wrench is a power tool designed to deliver large amounts of torque to quickly tighten or loosen nuts, bolts, and fasteners—especially those that are stuck, rusted, or overtightened. Unlike a standard socket wrench or ratchet, it uses a hammering mechanism inside the tool (via a “hammer & anvil” mechanism) to deliver bursts of rotational force.

In everyday speak: it stores energy in a rotating mass, then unleashes that energy abruptly to the output shaft (anvil), producing a high torque impulse.

“High torque” versions are essentially the heavy-duty variants—they’re built to apply much more force than standard models, making them suitable for tougher jobs.


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