Q:I am a trainee apprentice, recently encountered a problem, that is, some screws are screwdriver screwdriver or hexagon turned no thread. Can not buckle, only in the inside idle. What is the general use of this situation to open it? Thank you, more urgent.

You can use a chisel in the screw cap to open a word mouth, and then use the screwdriver can be screwed down.

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

M4.8 is the screw size 25 is the length of the screw

Q:This screw ye use, and how to use next to the cover

This is also the expansion screw. First make a hole, put the plastic into, and then on the top of the screw

Q:Why a screwdriver can suck the screw

Bolt knife head with magnetic, and in the installation of small screws

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?

If the screw nail head on the outside, you can use the hacksaw saw a word again, and then use a relatively large one screwdriver out, if it is Shen head head, only slowly with a file to do, and then screwdriver.

Q:How to remove the broken screw?

The other are open to grow a little, grinding flat to seize the rotation, or the middle cut a knife with a zigzag tool to turn, the bigger the better to take the iron put on the surface of the welding, or with a word tool alignment loose Open the direction of the angle to play a few turn a few times, did not save the drill through the hole directly through the big mouth to re-open teeth on the line.

Q:What is the difference between Chinese-made screws and US screws?

China and the United States have their own industrial standards. If the United States to get the screws to use China must use it to support the tools.

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

Q:How did the scrHow did the screw become round?ew become round?

Landlord refers to the screw head into a round can not be disassembled, you can use the saw in the screw head saw a slot, and then use a flat screwdriver can be removed, you can also use a pipe clamp to try, but the space to be bigger!