Allen wrenches are also called Allen wrenches. Common English names are
"Allen key (or Allen wrench)" and "Hex key" (or Hex wrench). The "wrench" in the
name means the "twisting" action. It reflects the important difference between
an Allen wrench and other common tools (such as a flat-blade screwdriver and a
Phillips screwdriver). It exerts a force on the screw through torque, which
greatly Reduce the strength of the user's exertion. It can be said that in the
installation tools involved in the modern furniture industry, the Allen wrench
is not commonly used, but it is easy to use.

The allen wrench can be passed down to this day and become an indispensable
tool in the industrial manufacturing industry. The key lies in its uniqueness
and many advantages:
1. It is simple and lightweight.
2. There are six contact surfaces between the hexagon socket screw and the
wrench, which are fully stressed and not easy to damage.
Allen wrench is a commonly used tool for installation and removal.
Hexagonal wrenches use the principle of leverage to turn bolts, screws, nuts,
and other threaded hand tools that tightly hold the openings of bolts or nuts or
sleeve fasteners. Wrenches are usually made with openings or sleeve holes for
holding bolts or nuts at one or both ends of the handle. When in use, an
external force is applied to the handle along the thread rotation direction to
turn the bolts or nuts.
The use of allen wrenches and their own contact, personally explain the
matters needing attention when using allen wrenches:
1. First, it should be locked firmly with the door wheel to prevent it from
falling off.
2. The operator should keep his feet apart and stand firmly on the soles of
his feet, and his legs should be supported reasonably to prevent falling.
3. The operator should hold the handle tightly with both hands, and apply
force reasonably and evenly to prevent strong force or violence.
4. The handle of the hex wrench should be on the same level as the door
wheel, so that the force of the valve wrench is reasonably used on the door
wheel to prevent excessive force from damaging the door wheel.
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