Socket Wrenches

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Socket Wrenches

Socket wrench.jpg
Synonyms: ratchets, socket spanners;
DE: Steckschlüssel,
Ratschen, Umschaltknarren
Type: hand tool
Material: screws, nuts
Used with: sockets
Location: Wood Workshop
Access Requirements: read this page
Similar (More or Less): box wrenches, combination wrenches,
adjustable wrenches, open-end wrenches

A socket wrench is a modular tool that can be set to apply torque in one direction but rotate freely in the other. Direction is changed by turning a lever or disc on the tool's head. Square drive sockets are required as "bits". Sockets are locked in place in some models (including our yellow one), requiring the user to push a pin on the back of the tool's head to insert or remove them.

The most common drive sizes are 3/8", 1/4" and 1/2". [citation needed] An adapter for 1/4" hex bits is also available.

socket wrenches and sockets on the wall


Pass-through sockets may be cool to have, but require a special wrench.

A torque wrench (Drehmomentschlüssel) is necessary for many vehicle repairs.