What should I do if the screw cannot be unscrewed?

What should I do if the screw cannot be unscrewed? Full analysis of 10 practical solutions

In daily life, tightening screws is a common maintenance scene, but when encountering rust, slippage or unscrewing, people are often at a loss. This article will combine the hotly discussed solutions on the Internet in the past 10 days and provide you with practical tips using structured data.

1. Statistics of popular screw tightening problems on the entire network (last 10 days)

2. 10 efficient solutions

1. Physical resistance increasing method

• Rubber pad method: place a rubber piece between the screwdriver and the screw
• Sandpaper Wrap: Use coarse sandpaper to increase friction

2. Chemical loosening method

• WD-40 Rust Remover: Wait 15 minutes after spraying
• White vinegar soaking: effective against rusty screws

3. Thermal expansion and contraction method

• Heating with hot air gun (around 200℃)
• Freezing spray for rapid cooling

4. Special tools method

• Impact screwdriver: generates rotational force by striking
• Counter-tooth drill bit: rotate counterclockwise to remove the broken wire

3. Comparison of processing solutions for screws of different materials

4. 3 tips to prevent screws from being unscrewed

1. Apply anti-rust grease regularly (recommended period is 6 months)
2. Use power tools with appropriate torque
3. Keep in a dry environment when storing

5. TOP3 effective folk remedies tested by netizens

Through the above systematic solutions, 90% of stubborn screw problems can be effectively solved. It is recommended to choose a combination of 2-3 methods according to the actual situation, and pay attention to operational safety. If the problem still cannot be solved, it is recommended to seek help from professional maintenance personnel.