Introduction and purchase notice of multi-function screwdriver set

A screwdriver is a hand tool used to tighten bolts or screws with slots. There are several types of screwdrivers such as slotted, cross-shaped and offset screwdrivers. The multi-function screwdriver set is a large collection of screwdrivers, which is convenient for people to use and purchase. The multi-function screwdriver set can be used to disassemble all kinds of mobile phones and other electrical appliances of all brands and models, and is an essential tool set for maintenance and daily life.

 

Brief introduction of multifunctional screwdriver set

 

The multi-function screwdriver set has fine workmanship and good quality. The screwdriver bit has high hardness and high precision. It is not easy to deform and break during use. The high-quality anti-static handle has a scientific design and strong operability. It is used to lock the bit The shank mouth adopts an inner six-sided design, which effectively prevents the tool from removing teeth and sliding during use. All cutter heads are magnetic. In addition to firmly holding the handle, they can also effectively pull the screw; detachable The bottom box design is more convenient and fast for people to use, a full set of plastic boxes, easy to carry and use.

 

Use and maintenance of screwdriver

 

Generally, the tip of a high-quality screwdriver is made of spring steel with relatively high hardness. A good screwdriver should be hard and not brittle, and tough in hardness. When using a screwdriver, align the end of the screwdriver with a special shape to the top recess of the screw, fix it, and then start to rotate the handle. According to the specifications, rotate clockwise to fit; counterclockwise to loosen .

 

At the same time, some maintenance measures should also be taken for the screwdriver: the blade of the screwdriver must be properly ground, and the two sides of the blade should be as parallel as possible. If the blade is tapered, when the screwdriver is turned, the blade will easily slip out of the screw slot; the head of the screwdriver Don't grind it too thin, or make it into a shape other than Fang Tong's; you should be very careful when grinding the screwdriver on the grinding wheel, because it will overheat and make the tip of the screwdriver soft. If it is a flat-blade screwdriver, it can be applied to a Phillips screw, and if it is a Phillips screw, it will have a strong resistance to deformation.

 

Precautions for purchase of multi-function screwdriver set

 

A screwdriver that breaks a screw is usually not a good screwdriver, because it often means that the screwdriver is not accurate enough, so that the surface force between the head and the screw groove becomes a point force, resulting in excessive local force and damage to the screw. Therefore, the screwdriver not only depends on the hardness and toughness, but also on the production accuracy. When buying a screwdriver, first look at whether you want a precision screwdriver or an ordinary screwdriver. Second, look at personal budget, affordable price and personal definition of screwdriver quality.

The relevant content of the multi-function screwdriver set is introduced here for everyone. For the screwdriver, a tool that we often go back to use, we should still have enough understanding of it, so that we will avoid it whether it is purchased or used. There was some trouble.

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