螺絲刀頭不耐用，一擰就圓了，這樣處理一下，鋼材質又堅硬又好用 #我愛電器維修

These screwdrivers for home use it didn't take long The front is rounded Especially this Phillips screwdriver How many times have I used it when screwing the screws? What about after it becomes round? It's harder to screw in the screws. Sometimes, the screws on the top cannot be stuck at all. it will slip What should I do in this situation? Today I will share with you a Very useful method In fact, all you need is a screwdriver deal with it up front can solve this problem It can make the screwdriver more durable take longer First look The front of this screwdriver is already rounded, right? How many times have you used it? like this situation The reason for it is the screwdriver bit. Rigidity is not good too soft so what It's easy to use, just twist it round What about this situation? We can actually give him Give him a quench on the stove head to deal with it First of all, you need to prepare a basin of cold water Then prepare a large windproof lighter If there is no such windproof lighter In fact, it can also be used on a gas stove. First turn on the switch above and say hello heat up this screwdriver bit Roast the knife head red for him first us take a look this crisp fire Then you can let this knife head Let his high sex hardness ah become harder than before Roast him red Okay let's see it's red hot then turn off the fire Next, quickly put it in water to cool it down Do this for a crisp fire treatment After blowing the fire like this This screwdriver bit will be much harder than before When you tighten the screws later, it will be more extra durable won't be the same It doesn't take many twists and the wall will become round. This method is very practical and very easy to use