How to solve the problem that the screw can not be opened

Screws can be used on the material to be consolidated, relying on their own threads, will be "tapping-drilling, squeezing, pressing" the corresponding threads to make them fit tightly to the machine, but how to screw them too Tight, how to unscrew it, let us understand.

1. To solve the problem that the screw can not be opened, the head part of the screwdriver is burnt red on the gas stove, and then quickly put on the screw, wait for about 5 seconds, then you can screw it out.

2. In order to unscrew the screw, the screw manufacturer will put something on the screwdriver bit to increase the friction, such as putting double-sided tape and non-woven fabric.

3. The screw can be cooled to unscrew the screw. The screw manufacturer will hang the melted solder on the welding gun head. After the screwdriver and the screw are aligned, the soldering point is processed. These are a small part of the solution for screwing the screw manufacturers.