Q:Screws are not slopes.

Of course, there are slope, as well as self-locking phenomenon, such as self-locking nut

Q:Engineering argument, usually referred to as the M3 screw, M refers to what is the meaning? The Please instruct the engineering staff.

International Metric Thread System: The national standard CNS adopts the thread. The crest is flat and easy to be turned. The tooth bottom is rounded to increase the thread strength. The thread angle is 60 degrees. The specification is expressed by M Metric thread can be divided into two kinds of coarse and fine teeth, such as M8x1.25 (M: code: 8: nominal diameter .1.25: pitch).

Q:What is the effect of the screw?

The set screw is mainly used to hold the relative position between the two parts. We call the "head screw", the role of the equivalent of the role of positioning pin.

Q:Is the tail screw? If it is mainly used in what place? If not what are they different?

Normally, it should be called drilling screws, screws are the use of the object of the circular circular rotation and friction of the physical and mathematical principles, step by step to tighten the tools of the tools. Drilling screw is the front of the screw with self-tapping the head of the wood screws. Screw is thousands of years of people in the production of common inventions, according to the application field, it is the first major inventions of mankind. Drilling screws are in recent years people's new invention, also known as self-tapping screws. Main steel for connecting between the need for ordinary or high-strength bolts, plates with self-tapping screw connection. It can not be used for metal and metal bonding.

Q:Please understand the friends of the self-tapping nails, screws, nuts production process, is the manufacturer's process. The more specific the more detailed the better

According to the screw nut and thread size custom the corresponding mold, mold is done into the material, then the head - rubbing - surface treatment - the packaging is complete.

Q:Why are the screws of the screw?

Fine thread thread pitch is small, the angle is small, self-locking is better, high strength, because the teeth are not wearable, easy to slip. Fine thread is often used in fine parts, thin-walled pipe fittings or by the impact, vibration and variable load connection, can also be used as fine-tuning mechanism for adjusting the thread.

Q:How did the screw twist?

maintenance personnel with a large number of screwdriver three five in addition to get the two, he told me that the screwdriver should be used by the small model to the large model too, of course, I did not let you frequently change the screwdriver, but began to have too large Easy to spend, began to use a small easy to spend. Large screwdriver only after the screw has been spent on the stage.

Q:The Symbolic Meaning of Screw

The symbolic meaning of the screw is generally refers to Lei Feng's "screw spirit", is consciously put the individual into the cause of the party and the people, the individual obey the whole, obey the organization, loyal to duty, work conscientiously, do a line of love, and serve the people wholeheartedly the spirit of.

Q:The idiom of the screw

Lei Feng: I would like to always make a screw, a person's role, for the cause of the revolution, as a machine on a screw machine as a result of the many screws and fixed, only to become a solid whole, can Run freely, play its great ability to work. Although the screw is small, its role is not underestimated. I would like to make a screw hello forever. Screw to regular maintenance and cleaning, it will not rust. People's thinking is the case, to always check will not go wrong

Q:The mirror under the mirror put the toilet glass is broken, the original screw rust deformation, and pulled out. How to rust the screw

The easiest way to change the place to hang the original place to hang a mural