Power tool powered by electric motors or electromagnet head through the drive mechanism drives the work of a kind of mechanical tools. So how to choose suitable for power tools, here small make up detailed introduction for you. , wood and metal drilling & gt; >Impact drill if in addition to the concrete drilling, but also the balance drilling on wood and metal, and drilling under 10 mm in concrete, can consider to impact drill, impact drill by helical gear impact, impact hammer. But the price is low, as are the percussion drill is a good choice. , or loosen the screw tightening up & gt; >Electric screwdriver if you often to tighten or loosen the screw (Computer enthusiasts often)Cut holes on the wood or iron plate, or, you can buy a rechargeable electric screwdriver, it in these two aspects is the most convenient tool. Plug-in electric screwdriver plus a screwdriver head suit, easily get you the job at hand. , wood or iron plate punching & gt; >Electric drill hand electric drill must have known, it is suitable for drilling on wood or iron plate, but don't count on it in the concrete wall drilling as much, to do that is easy to damage the machine, a hand electric drill is one of the most economic power tools, even if is imported, only need a few hundred yuan. , concrete wall drilling & gt; >Cylinder structure of electric hammer because electric hammer, pounding force is very high, and with every minute of the day, that the beat frequency, can produce significant force, make you in the concrete hole on the wall easily. With a connecting rod and ordinary card electric drill head, it can also complete the hand electric drill function, achieve the goal of one machine. Speed electric hammer + connecting rod + mm drill head, only a few hundred yuan, deserve to go up again to a number of commonly used bit, so most of your home decorate a task can be completed. Suitable for home installs, the most suitable diameter in millimeters and mm below the hole.
