A power drill is an electrical tool that many people have at home. When used, drill bit of an electric drill may fail or fail. At this time, it must be replaced. Do you know how to change it?
Whether it's an electric drill or an impact drill, operation to change drill bit is basically same. There are two types of drill chuck for top drill: self-tight and hand-tight. When using self-tight type, hold drill chuck with one hand and turn on electric drill reverse switch to replace original one. Use same method to lift drill. If it is hand tightened, you only need to use chuck wrench included in kit to open it.
There are different types of drill bits, such as snap-on, plastic thread, and iron thread. Depending on type of drills, we also need to apply different replacement methods.
1. Latch Type
This drill is used in many types of "impact drill" electric drills. When replacing, first turn off power, grasp front end of impact drill, and then push it towards handle to remove drill. The same is true when installing drill. After pressing bottom, insert drill. When released, "buckle springs back" to secure drill.
2. Plastic thread
In conventional household electric drills, a thread is used to fasten drill. The front of drill is plastic with anti-slip lines. Hold anti-slip plastic bolt in front with your hand, then reduce speed, press switch, you can open "three grips" that hold drill in front of drill, remove drill, install a new drill, and reverse operation.
3. Iron thread
That is, drill position is made entirely of steel and has a steel gear structure. Typically, this type of hand-held electric drill gives you a "key". Insert "key" into small hole. at front end of power drill to release power drill. , replace drill, and then reverse operation.
The above method for changing drill of an electric drill, I wonder if you have already studied it?