What are the precautions when using adjustable wrench?

Adjustable wrench, that is, adjustable wrench. Adjustable wrench, an open-ended wrench with adjustable opening distance, is also called "adjustable wrench".

There are two kinds of working faces in adjustable wrench: fixed main working face and movable working face. The adjustable wrench lip moves through the turbine roller to adjust the size of the wrench opening. Because the opening size of adjustable wrench is continuously adjustable, the sizes of nuts and bolts are very wide. It used to take a whole set of more than a dozen stiff hands, but now a adjustable wrench can "get it". Adjustable wrench is widely used in non-professional applications, and adjustable wrench is one of the necessary tools in the household toolbox. In practical work, according to the range of wrench activity corresponding to the full length, adjustable wrench has many specifications, including 150mm(6 inches), 200mm(8 inches), 250mm( 10 inch) and 300mm( 12 inch).

Characteristics of adjustable wrench

The size of the wrench opening can be adjusted at will within a certain range.

Used to install and remove bolts and nuts within the limit of opening size, especially irregular bolts or nuts.

Used to tighten bolts or nuts with large torque.

Only when the opening is fastened can you start using it.

Usage and precautions

Adjust the size of the opening so that the pliers face of the wrench is close to the surface of the nut or bolt.

When working, push the wrench toward the vise and hold the other end of the wrench to avoid damaging the wrench.

Try to keep your arm perpendicular to the wrench direction, which is more labor-saving.

When using a wrench, you cannot pull the wrench with both hands at the same time. Only one hand can exert force, the hand that does not exert force must be supported, and the steps must be branched into a T-shape to stand firm, so as to avoid personal injury caused by the wrench slipping during the exertion of the operator.