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Open the plastic air, and tighten the screw string with a nut.
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You can wrap a thin plastic bag around the screws and screw the screws in.
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If you can take it out, take it out directly and replace it with a good screw of the same specification. Or wrap some raw material tape or something on top of the screws of the slippery wire, and then screw the screws in again.
If you can't take it out, drill out the screw head with a drill, and then take it out with pliers or something. Change a screw.
It is recommended to use screws with higher strength. This way it won't be so easy to slip next time.
If you run out of teeth, tap it again with a tap. No, find a way to increase the screw teeth, such as M3, you change it to M4, and change the screw to M4).
You can also wrap a thin plastic bag around the screws and screw the screws in.
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You just twist it, use the change cone.
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If the silk rusts are dead, you can take it out with cola, hammer, and cooking oil, taking cola as an example, the specific operation method is as follows:
1. Wrap the cotton cloth around the rusty screws that need to be unscrewed.
2. Then pour an appropriate amount of cola into the cotton cloth wrapped in the rusty screws, and soak the cotton cloth with the poured cola, and the ingredients in the cola will have a chemical reaction with the rust.
3. After standing for a few days, slowly take out the screws with wire cutters.
Hammer: Use a hammer to gently tap around the rusty screw, and after a while, the rusted screw will loosen, and then it can be easily unscrewed.
Cooking oil: Add a small amount of cooking oil to the perimeter of the screw, let it stand for about 5-10 minutes, and then gently rotate it with a vise to remove it.
Summary: If the silk is rusted, you can take it out with cola, hammer, and cooking oil.
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What's the matter with the screws not being unscrewed?
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For rusty screws, do not use a wrench to screw them to prevent screwing the six edges and corners of the screw, breaking the screw or breaking the wrench. At this time, you can use a hammer to gently shake the handle of the wrench, and the screws that are generally rusted can be vibrated and unscrewed.
The second knock uses a square-topped hammer edge to knock the rusted nut, which is easy to loosen the nut. For example, the nuts that fix the bolts at both ends of the pedals of a bicycle can be struck with force according to the thickness of the pedal and the metal structure. The nut at the cast iron can be used with a slightly larger force, and the plastic part should be gently beaten.
If that doesn't work, you can easily remove the nut by tapping it in a circular motion with a hammer.
Some screws are very seriously corroded, and the above methods still do not work, so "fire attack" can be used. Use a gas welding oxidation flame to grill the screws and nuts thoroughly, and then drip a trace of oil on the red-hot screws. The purpose of heating the screw is to make the screw expand when heated.
The purpose of dripping oil is to make the screw shrink quickly when cold, increase the gap between the screw and the nut, and the nut can be unscrewed after the oil flows in. However, if there are plastic devices nearby, use this method with caution.
The top of the screw of some devices in the four-stroke is corroded and out of shape, and it cannot be discharged with a wrench or wire cutter, which can be used by impact method. First, use a hammer and a top-permeated flat cone to impact a V-shaped groove in the vertical direction of the top of the screw, and then adjust the angle of the punch cone to impact in the direction of the screw. Once loosened, the screws can be screwed out with a wire cutter.
When the screw slide is a "word" or "ten" word, this method can also be used to unscrew the screw in combination with the wire cutter.
When disassembling a device by five welding, it is not uncommon to unscrew the screws. For the screws with broken tops, electric drills are generally not used, because the slightest carelessness will drill the wire holes. It is better to weld a long piece of iron to the broken wire with electric welding.
The cross-section of the iron block is determined by the diameter of the screw. After the iron is firmly welded, oil is quickly dripped into the solder joint to soak the nut. After cooling, use a small iron cone to knock the other end of the iron back and forth in the horizontal direction, and when the screw is loose, rotate the iron to unscrew out the broken wire.
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It depends on the degree of rust. If it is slight, it can be twisted down directly. If the rust is severe. The screws are damaged.
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You can start by dripping a few drops of oil on the rusty screws and stop for a while to easily remove them.
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Throw it away, replace it with a new one, this is still to say.
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Buy one again, or throw it away.
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Hello, now there is this rust remover that can be soaked and then smeared.
1. Inject a small amount of 502 glue into the screw hole, then screw the screw in, wait for the 502 glue to solidify, and then use needle-nose pliers to screw out the screw (only so don't use a screwdriver for fear of causing the screw to slip); >>>More
What should I do if the screws can't be unscrewed?
The solution of the sliding wire of the water pipe valve:
1. Shock: For rusty screws, do not use a wrench. >>>More
Depending on the size of the screws, various methods can be employed, generally destructive methods. >>>More
Put it in a bag and put it in a sunny place to dry, you can put one or two ripe apples or pears or bananas in it, or you can leave it alone. Tie up the bag, if it is very raw, you can put it for two days to eat, but after a day, it is best to open it to see the situation, and put it for one more day if it is not cooked. If the pulp has been removed, place it in a clean container and cover with plastic wrap or a lid. >>>More