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Screwdriver screwdriver with plastic handle screwdriver with a single blue cross word screwdriver hardware tools 中文版

Screwdriver screwdriver with plastic handle screwdriver with a single blue cross word screwdriver hardware tools

Screwdriver screwdriver with plastic handle screwdriver with a single blue cross word screwdriver hardware tools Screwdriver screwdriver with plastic handle screwdriver with a single blue cross word screwdriver hardware tools Screwdriver screwdriver with plastic handle screwdriver with a single blue cross word screwdriver hardware tools Screwdriver screwdriver with plastic handle screwdriver with a single blue cross word screwdriver 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:
480pcs ~2399pcs   CN ¥ 1 /pc
2400pcs ~4799pcs   CN ¥ 0.95 /pc
Above 4800pcs   CN ¥ 0.9 /pc
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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).


6.0MMX100mm 4 inch single 480PCS/ctn every inch of 0.9 yuan plus 0.08 yuan

6PCS plastic bags price 5.3yuan 120PCS/CTN







1. handle is insulation material, high temperature resistance, oxidation resistance, strength. The friction is big, not easy to slip, the service life is longer.
2, the cutter bar with high quality chrome vanadium steel manufacturing, through batch rod, high hardness, large torque, the hardening treatment, sturdy and durable.
3, hardness is: 53-55 degrees, with strong magnetism is coated on the surface of the two chromium layer a layer of nickel
4, antirust performance beyond the ordinary screw batch 3 times
5 handle design special convex point effectively prevent sliding surface using special resin, anticorrosive oil 6
6, handle color can be according to customer requests for replacement. The above guest guest LOGO.
printed products




A: technology principle

screwdriver to pry paint cover using the lever principle, the bigger and more power points to support distance of labor-saving, so long screwdriver than short screwdriver more effort.
screwdriver to tighten the screws with the working principle of the screw shaft. When the wheel is greater the more labor-saving, so use the coarse screwdriver than using a screwdriver to tighten the screws to the fine is more labor-saving.


two: the historical process of

cross screw and screwdriver is by Henry PHILPS (Henry Phillips) invented in thirty of the last century. First used in the assembly line of the car. So the cross screw and the cross screwdriver are also known as the PHILPS screw and the PHILPS screwdriver.
to give slotted screw applied little torque, people thought of the screw head open a groove, with the corresponding figure a convenient screwdriver can tighten and loosen the screws of the, but with the rapid development of science and technology, screws are used more and more widely, screws and a word screwdriver also presented. The first is that if the word slot of the screw head is broken, the screw can not be screwed out. The length of the word slot is longer, the more easily in the process of being screwed was destroyed. For shortening the notch length, improve notch of destruction resistance ability, and can transfer the torsion of the same size, people think of with a cross groove, can withstand the same torque, but the length of a slot actually short half, and the ability to resist destruction but greatly strengthen. The screwdriver was originally a cross shaped, not used for cross recessed screws, and only in addition to the production of a cross screwdriver and cross recessed screws. There are two kinds of screwdriver.

The word is from the notch screw machine has been with the. It is impossible to replace the screw on the old machine. Cross screwdriver can be used in word slot, word slot of the screw is still in production applications, so to retain a slotted screwdriver. This new machine mostly with a cross slot screw, old is still in use, while using two screwdrivers.

Three basic functions:

repair mobile phone open the cabinet needs to use the screwdriver (some mobile phone shell is snap of no screwdriver). While the use of screws with the six screw nails; different phones have different specifications, generally T5, T6, T8, T7, etc., some models also equipped with special screws, need to use a dedicated screwdriver. Also need to prepare some small, small plum screwdriver. In the selection of such tools, the A, B sets of batches should be used, it includes almost all the phone's opening tool. When opening the case, according to the types and specifications of the machine casing fixed screw selection of the appropriate screwdriver. If the selection is not appropriate, it is possible to screw the screws of the groove, resulting in the phenomenon of slipping.


Four main types:

1, a common screwdriver

is the head handle made screws together, easy to prepare, as long as take out you can use, but because the screw has many kinds of different length and coarseness, sometimes need to prepare many different screwdriver.
2, combination type screwdriver
a the screwdriver head and the handle are separated screw group to install different types of screws, just the screwdriver head replaced can, do not need to prepare a screwdriver. The advantage is that it can save space, but it is easy to lose the screwdriver head.
3, electric screwdriver
electric screwdriver, just as its name implies is to electric motor instead of manpower to install and remove the screws, usually is combination screwdriver.

4, screwdriver
belongs to precision screwdriver, commonly used in the repair of hand type clock, so have this call.
5, a small diamond screwdriver
handle and head size small screwdriver than commonly used screws, non screwdriver.
from its structure and shape, usually have the following:
1, straight. This is one of the most common. A cross head type, T type, m, (plum type), type H (six angle), etc.
L, 2 shape. More common in the six angle screwdriver, the use of its longer rod to increase torque, thus more effort.
T, 3 shape. Application of automotive industry.


headforms

screwdriver head:
screwdriver according to different headform can be divided into word, cross, the M word, star (computer), square head, hexagon head, Y - shaped head, and so on. The word and the cross is we live in the most commonly used like installation, maintenance this class to be used, can be said as long as the screw where it is necessary to use a screwdriver. Hexagon head, commonly used hexagon wrench , like some of the machines on a lot of screw with hexagon holes, convenient multi angle to force. Star type of large to see also not much, small star commonly used in the demolition and repair of mobile phones, hard disk, notebook, etc., we put a small screwdriver called clock, commonly used star type T8, T6, cross PH0, PH00 this kind of.
head said: the word SLOTTED
cross PHILLIPS
m POZI
star TORX
square SQUARE

six angle HEXGONAL


Five: material


screwdriver without head, because the head no torque. The word is to ensure that there is torque, and the cross can make the power distribution more uniform. According to the power source to a manual screwdriver and electric screwdriver; according to the number of head or knife head to a word (flat head) and cross (Phillips).

The cutter head screwdriver quality is spring steel for high hardness to do. A good screwdriver should be hard but not brittle. When the screw head openings become bald slip can be with a hammer percussion screwdriver and the screw of the tick groove deep for the screw and screwdriver to unscathed; screwdriver is often used to pry things, have certain toughness without bending will not break. In general, the hardness of the head of the screwdriver is greater than HRC60, and it is not easy to rust.


Method of use: six



end of the screwdriver has specialized shape alignment top pit, screw fixed, then rotate the handle.
according to standard specifications. along the clockwise rotation is tightly embedded; inverse clockwise rotation is loose . (rarely opposite)
word screwdriver can be used in cross screw. But cross screws have a strong anti deformation capacity.


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