The impact of drilling or multifunctional electric hammer, want to buy a home to more tools, function, because the future may need.
The impact drill is suitable for concrete floors, walls, brick, stone, wood and multilayer materials on percussion drilling; also can be equipped with electronic speed control equipment for other functions along the reversal of drilling and tapping in wood, metal, ceramic and plastic.
Percussive drills work by rotating and impacting. A single shock is very slight, but a shock frequency of more than 40000 minutes per minute can produce continuous force. Used of natural stones or concrete. When the impact drill works, the drill chuck is provided with an adjusting knob, which can be adjusted in two ways: an ordinary hand drill and an impact drill. But the impact of drilling is the use of internal gear to achieve mutual beat of impact, but the impact is far less than the hammer. It is not suitable for drilling reinforced concrete.
To see to what place, far less than the impact force of impact drill hammer. Usually, you can buy a multi-functional impact drill. Hammer is not suitable for home, and not in operation.