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Screwdriver screwdriver 6pcs screwdriver screwdriver Hardware Hardware Tools 中文版

Screwdriver screwdriver 6pcs screwdriver screwdriver Hardware Hardware Tools

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Updated: 2021-03-09 16:26
About Product:A screwdriver is a used to twist the screws to force the positioning tool, there is usually a thin wedge head, inserting the screw nail head tank joint or notch -- Beijing and Tianjin Ji Lu Jin Henan and Shaanxi dialect called "screwdriver", Anhui, and Hubei, known as the "driver", in the central and western regions called "knife", the Yangtze River Delta region called "screwdriver". The main word (minus) and cross (plus two). Common six angle screwdriver, including the six angle and the six angle of the two.

EXW Price:

60pcs ~299pcs		CN ￥ 5.9 /pc
300pcs ~599pcs		CN ￥ 5.8 /pc
Above 600pcs		CN ￥ 5.7 /pc

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SAILHOPE HARDWARE TOOLS 13yr.
Main Products:	Wrenches,axes,hammers,screwdrivers,hex wrenches,pliers,bolt cutters,sleeve,a wire brush and a series of metal tools.
Contacts:	Lu MinghuiChat
Mobile:	86-13819957205
E-mail:	waycsu880603@163.com
WeChat:	luminghui1988
Address:	13996 , 11 Street, 2 F, 28 Gate, International Trade Mart (District 2).

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Description

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1. The handle is insulating material, which is resistant to high temperature, oxidation and strength. Large friction force, not easy to slip, longer life.

2. The knife rod is made of high quality chromium vanadium steel. It has a high hardness, high hardness and strong torque. It is durable and durable.
3. Hardness is: 53-55 degree, with strong magnetic surface with two layers of chromium nickel.
4. The rust prevention performance is three times higher than that of ordinary screw batch.
5. The special convex point of the handle is effective to prevent sliding, and special resin is used on the surface to prevent oil corrosion 6.
6. The color of the handle can be changed according to customer requirements. The customer's LOGO is printed on the product.

I. technical principle

The working principle of the lever is used when the screwdriver is used to pry the paint cover.The larger the power point to the fulcrum distance, the less effort it is to make the long screwdriver more efficient.

The screwdriver USES the working principle of the wheel shaft to screw the screw. The larger the wheel is, the less effort it will be, so the use of a coarser screwdriver is more labor-saving than using a fine screwdriver.

Ii. Historical process

The Phillips screwdriver and Phillips screwdriver were invented by Henry Phillips in the 1930s. First, use the assembly line of the car. So phillips screws and phillips screwdrivers are also known as phillips screws and phillips screwdrivers.

In order to give a exert little word screw torque, people thought of a slot in the screw head, with a corresponding one blade screwdriver can convenient tighten and loosen the screw, but with the rapid development of science and technology, the application of the screw is more and more widely, screws and the lack of a screwdriver is also presented. First of all, the screw head is broken, and the screw cannot be screwed out. The longer the slot is, the easier it is to be damaged in the process of being screwed. In order to shorten the length of the slot, slot that are more resistant to damage ability, and can transfer torque of the same size, people think tank with a cross, can withstand the same torque, but a short half the length of the slot, the ability to resist damage is greatly strengthened. The screwdriver was originally a zigzag, not used for cross - slot screws, and only another type of phillips screwdriver and a cross - slotted screw. There are two kinds of screwdrivers.

The slotted screw was used since the machine was in use. It is impossible to replace the screws on the old machine. The phillips screwdriver can't be used on a slot, and a slotted screw is still in production, so keep a screwdriver. In this way, most of the new machines are made of phillips screws, and the old ones are still in use, with the use of two screwdrivers.

3. Basic functions

When fixing a cell phone, you need to use a screwdriver to open the case (some of the phone cases are buttoned up without a screwdriver). Most of the screws are screwed with hexagon screws; Different phones have different specifications, usually T5, T6, T7, T8, etc. Some models also have special screws, which need special screwdrivers. Also need to prepare a few small words, small clubs screwdriver. In the selection of such tools, A and B should be selected, which includes almost all the open shell tools of the phone. When opening the case, select the appropriate screwdriver according to the type and specification of the screws on the chassis. If the selection is not appropriate, the screw can be screwed flat, resulting in the phenomenon of skidding.

Iv. Main types

1. Common screwdriver.

Is to build together the screwdriver handle, easy to prepare, take out as long as you can use, but because there are many kinds of different screw length and coarseness, sometimes need to prepare a lot of different screwdriver.
2. Combination screwdriver.
A screwdriver with a split head and a handle. To install different types of screws, you can simply replace the screwdriver with a screwdriver, without the need for a large number of screws. The advantage is that you can save space, but it is easy to lose the screwdriver.
3. Electric screwdriver.
Electric screwdriver, as the name suggests, is to install and remove screws by electric motors, usually combined with screws.

4. Watch and clock.

It belongs to the precision screwdriver, which is commonly used to repair the wristband.

5. Little vajra screwdriver.

The head and body length is smaller than the usual screwdriver, not the clock.

In terms of its structural shape, there are usually the following:

1. Straight. This is the most common one. The head type has one word, cross, meter, T type (plum shape), H type (hexagonal), etc.

2. L. It is more common in hexagonal screwdriver, with its longer lever to increase torque, thus saving more effort.

3. T shape. There are many applications in the auto repair industry.

Head type

Screwdriver type classification:

Screwdriver according to different head shape can be divided into a word, cross, rice word, star (computer), square, hexagon head, etc., the head of Y type one word and the cross is the most commonly used in our life, such as installation, maintenance are used, can say as long as there is screw is used with a screwdriver. Hexagonal head is not used much, commonly used.Allen keyLike many screws on some machines with hexagonal holes, it is convenient for many angles to make the force. Big star to see also not much, little star is often used in repairing and mobile phones, hard disk, notebook, etc., we called the small screwdriver clocks and watches, commonly used star T6, T8, cross PH0, PH00 this class.

The head says: SLOTTED.

Cross PHILLIPS

M word POZI

Star TORX

SQUARE, SQUARE,

Hexagon HEXGONAL

5: making materials

The screwdriver has no round head, because the round head has no torque at all. A word is to make sure that there is torque, and the cross gives the force a more uniform distribution. According to the power source, there are manual screwdriver and electric screwdriver; Flat head and cross (phillips).

The top quality screwdriver is made of steel with a high hardness. A good screwdriver should be hard, not brittle, and tough. When the opening of the screw head becomes bald, it can be used to tap the screwdriver with the hammer, and the slot of the screw is deep, so that the screw can be screwed down, and the screwdriver should be undamaged. Screwdrivers are often used to pry things, requiring a certain degree of tenacity. In general, it is hoped that the hardness of the screwdriver's head is greater than that of HRC60, which is not easy to rust.

6. Use method

Turn the screwdriver with a special shaped end point to the top notch of the screw, fix it, and then start turning the handle.

According to the specifications,Turn clockwise to embed; Turn counterclockwise to loosen.. (in rare cases, the opposite is true)

screwdriverCan be applied to cross screws. But the cross screws have a strong resistance to deformation.

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6PCS PVC colored handle with bagged price 5.8. The set of 60 + - 6 mmx100 mm + - 6 mmx125mm + - 6 mmx150mm

6PCS PVC colored handle with bagged price 5.8. The set of 60

+ - 6 mmx100 mm

+ - 6 mmx125mm

+ - 6 mmx150mm