The use of common hand tools and how to use them

As we all know, hand tools are essential hardware products in daily life and production, and they play a pivotal role in people's life and social production. So, do you know the uses of all kinds of hand tools and how we should use them correctly? The following for you to inventory the common use of 15 hand tools and the use of methods.

1, screwdriver: a tool used to twist the screw to force it into place, usually has a thin wedge-shaped head, can be inserted into the slot or notch of the screw head - also known as "awl".

2. Wrenches: hand tools that use the principle of leverage to turn bolts, screws, nuts and other threaded fastening bolts or nuts with openings or sockets in the firmware. Wrenches are usually made with clamps at one or both ends of the shank to apply external force to the shank to twist the bolt or nut holding the opening or sleeve hole of the bolt or nut. When used, the bolt or nut can be unscrewed by applying an external force to the shank in the direction of thread rotation.

3, hammer: is a tool for knocking objects to make them move or deform. Most commonly used to hammer nails, correct or crack objects open. Hammer has a variety of forms, the common form is a handle and the top. The top side is flat for striking and the other side has a hammer head. The head can be shaped like a ram's horn or wedge-shaped, and its function is to pull out the nail. There are also round heads.

4, test pen: also known as the test pen, referred to as "electric pen". Is an electrical tool, used to test whether the wire is charged. Pen body in a neon bubble, test if the neon bubble glow, that the wire has electricity, or for the fire line of the channel. Test pen in the pen tip, pen tail, made of metal, pen rod made of insulating material. When using the test pen, be sure to touch the metal part of the end of the test pen with your hand, otherwise, because the charged body, test pen, human body and the earth did not form a circuit, the test pen in the neon bubble will not glow, resulting in misjudgment, that the charged body is not charged.

5, tape measure: tape measure is a common tool in daily life. We often see the steel tape measure, construction and decoration commonly used, but also one of the necessary tools for the family. Divided into fiber tape measure, leather ruler, waist ruler, etc. Lu Ban ruler, Feng Shui ruler, Wen meters also belong to the steel tape measure.

6, wallpaper knife: a knife, sharp blades, used to cut wallpaper and other things, so the name "wallpaper knife", also known as "art knife". Decoration, decoration, advertising plaque industry is often used.

7, electrician's knife: electrician's knife is a common cutting tool for electricians. Ordinary electrician's knife by the blade, blade, knife handle, knife hanging and other components. When not in use, the blade shrinks into the handle. The root of the blade is hinged with the handle, with a scale line and scale mark, the front end is formed with a screwdriver bit, both sides are processed with a file surface area, the blade has a concave curved mouth, the end of the curved mouth to form the tip of the blade, the handle is equipped with a protection button to prevent the blade from rebounding.

The electrician's knife blade brings together a number of functions, the use of only one electrician's knife will be able to complete the operation of connecting the wire, without carrying other tools, with a simple structure, easy to use, a variety of functions and other beneficial effects.