Hand tools can be divided into wrenches, pliers, screwdrivers, tape measures, hammers, sockets, cuttings, scissors, sets, and auxiliary tools such as tool carts, etc., each category is different 's model.
Purpose: A wrench is a tool for rotating bolts or nuts. Used to turn bolts, nuts and other objects that are difficult to turn by hand.
Usage: Pulling force should be used to turn the wrench. Pushing and turning the wrench is prone to danger.
After use, it should be cleaned first, and then refueled to prevent rust.
The wrench cannot be used as a hand hammer.
When the wrench is used, the handle of the wrench shall not be equipped with a sleeve to increase the torque.
Uses: Using the principle of leverage, applying a small force to obtain the maximum effect, it is used to fix, clamp the work, or cut the light work. Most are used to hold objects securely, or to cut and bend tough materials such as wires.
Wire cutters: Square nose pliers.
Carp pliers: It is a combination pliers, commonly known as carp pliers because its pliers are like fish heads.
Diagonal pliers: The notch is beveled. Generally used for automotive electrical work.
Needle-nose pliers: Can be used to strip wire insulation.
Wrench pliers: Commonly used to temporarily fix work and remove damaged nuts.
3. Hand hammer
Uses: Also known as hammer, used for hammering the working surface. Straightening, chiseling, repairing, and loading and unloading parts must be done with a hammer.