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:Why do some nuts and washers, and some nuts without washers

General screw diameter and the diameter of the fastening parts of the hole is not large, the nut and parts of the contact area is relatively large, you can not add a gasket

Q:I'm talking about another thing

Handsome, please express what you mean "another meaning" What does the meaning of the screw seems to have the following meaning, please brother reference 1. true screw 2. eat the kind, such as fried screw 3. kiss

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:What is the reason why the rubber washer is small after use?

If you do not have any oil around the gasket, which may be used in the process of gasket compression deformation occurred!If there is oil to the present, it is likely that the oil things out of your rubber additives!

Q:High-strength screw standard parts of the quality of what data

High strength bolts are made of high strength steel, or bolts that require greater preload. High-strength bolts are tightened with a special wrench nut, the bolt has a huge and controlled pre-tension, through the nut and the pad, the connector also produced the same size of the pre-pressure.

Q:Also known as screw nails, I want to nail on the board, but there is no way to nail into the hard, how nail?

Wood must use a self-tapping screwdriver, if it is a common machine above the screws can not be nailed to the board above, if the wood is relatively hard, it is recommended to use a drill above the board to play a smaller hole than the self- , So more effort

Q:Screws, bolts, screws, what is the difference between the three ah?

Screws are more general. The exact statement should be bolts, screws, and screw caps. Bolts and screws are round bar objects, engraved with equal spacing thread. Bolts are flat head cylindrical type; the screw is the front is pointed like a nail. The bolts must be used with the screw cap, or on objects that have been threaded. Screws are used in relatively soft or relatively thin objects, when used with their own thread side of the rotation side of the forward drilling. The threads on the bolts are relatively shallow without the edges; the threads on the screws are sharper and the threads are deeper, facilitating drilling into the objects. Most bolts and screws require a simple and easy tool - the screwdriver.

Q:Why should the screw twist clockwise?

Most of the world's people are right-handed, right-handed twist the right-hand screw more smoothly.

Q:Are there categories of fasteners classified by material?

Mainly carbon steel, alloy steel, stainless steel, other materials category