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Question:

Can you tell me what kind of good electric drill for household use? Impact drill or general electric drill good? Sometimes it's possible to hit the wall. How big is the power?

Can you tell me what kind of good electric drill for household use? Impact drill or general electric drill good? Sometimes it's possible to hit the wall. How big is the power?

Answer:

Hammer (hammer) is not the same, it is to use the bottom two sets of motor driven gear structure, a realization of it drill, and another one is to drive the piston, a hydraulic engine stroke, resulting in a strong impact force, along with the drilling results. Power can crack stone and metal
Impact drill work in a drill chuck adjustment knob, adjustable drills and impact drills in two ways. 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 can also drill steel and concrete, but the results are poor.
Just rely on the electric motor drives the drive gear to increase the strength of the drill bit rotation, in metal wood. Other material forms do scraping ripped.

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