Q:How is the screw nailed to the wall

Use a hammer to make a hole in the wall, and then plug a plastic expansion tube, the last screw.

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

This kind of screw called what I really do not know its name, the use of the place to see really not much, I see the place are generally used in machinery and equipment above, as you said what role, my personal point of view is To prevent slipping, because it is the head of a large slip wire, need to hand to adjust to the correct position to fall off, know that so much, not professional, Oh ~ hope to help you! The

Q:What does the screw m4x6 mean?

Upstairs answer wrong, should be nominal diameter of 4 mm, 6 mm long, nominal diameter can also be called a large diameter, that is, the outermost circle of diameter ...

Q:M4.8 * 25 What does it mean in screw size?

You should ask the specifications of the method should be very rare 4.8 should be more from the tapping, should not use M said, M generally said that the machine thread

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:Want to fix something, which is a triple iron (do not know how thick), would like to ask what screws can be turned into? Can ordinary drill go in? The question is to consider the drill or consider the screw, or have to consider? Thank you! The

This screw we usually call the tail wire it has a drilling tapping and fastening parts to complete the function of a one-time convenient; drill recommended with the speed of hand drill! Because the speed of this hand drill can be slow down the general hand drill speed is too high in a short period of time to burn the drill wire drill hole in the face of the drill wire can not enter; even into the sometimes because the speed is too high and twist Broken footers in vain! OK!

Q:Screw M is mechanical teeth, tapping is what?

Self-tapping is a pointed screw for connection with no internal thread, such as plastic parts, wood parts, stone, etc.

Q:A tightened screwdriver has been damaged, that is, the cross into a round mouth, and now I need to get it out for a new one, is there any way to take it out?

First find a good tool ... tiger pliers ~ and the like ... and then forced it ... I was the last time so get ... good results ~ also exercise

Q:What is a self-tapping nail? Is it used? What are the characteristics of the shape? What is the difference with ordinary screws?

Is the head with a sharp screw, turn the screwdriver can be automatically drilled into the object, divided into stainless steel and galvanized and colorful three