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What Is A Wrench
May 15, 2018

Wrench is a commonly used installation and Disassembly tool. Use the lever principle to twist bolts, screws, nuts, and other hand tools for the opening or sleeve firmware of bolts or nuts. Wrench usually at one end of the shank or at both ends of the handle part of the application of external force handle to apply external forces, can be twisted bolts or nuts holding bolts or nuts openings or sockets.

The bolt or nut can be twisted by applying external force to the handle in the direction of the thread rotation. Wrenches are usually made of carbon structural steel or alloy structural steel.