What are the methods and skills of screwing screws?

1. First, place the board horizontally. Knock hard on the board with a nail first, so that there is a small point where you want to screw, which is convenient for finding and fixing.

2. Then put the tip of the screw on the small point just now, keep the screw perpendicular to the board, hold the screw in one hand and use a screwdriver in the other, so that the screwdriver is also perpendicular to the board.

3, the center of gravity downward, downward force, slowly twist the screwdriver, drive the screw to rotate downward.

Extended message: Be careful with your hands and don't get hurt; Screwdriver and screw should match the model and size, which makes it easier to exert force. Don't use the screwdriver for too long, it will be easier to find the balance, and it will be easy to shake when it grows.

Screw is a tool to tighten instruments and parts step by step by using the physical and mathematical principles of circular rotation and friction of the inclined plane of an object. Screw is a general term for fasteners.

Screws are indispensable industrial necessities in daily life, such as tiny screws used in cameras, glasses, clocks and watches, electronic products, etc. Universal screws for TV sets, electrical products, musical instruments, furniture, etc. As for projects, buildings and bridges, large screws and nuts are used; Transportation equipment, airplanes, trams, cars, etc. There are both large and small screws.