Distinction of Electric Drill, Impact Drill and Hammer Drill

Power tools belong to large wide range of electrical products, which are widely used in construction, machinery, electric power, petrochemical, metallurgy, transportation, agriculture and other industries. Power Tools products have entered the home, and now drills are diverse on the market, let's take a closer distinguish of different types of drill.
Electric drills can only drill, impact drills not only can drill, but also can have a little hammering effect. Hammer drill can drill and higher hammering.
Electric drill: it only rely on motor driven gear to increase strength of the drill bit, make the drill bit do the scraping ripped form on a metal, wood and other materials.
Impact drill: In operation, the drill chuck has the adjustment knob, it has adjustable drill and impact drill two ways. Impact drill is the use of the inner shaft gear beating to achieve impact, the impact is less than hammer. It can also reinforce concrete, but ineffective.
Hammer drill: It is the use of bottom motor to drive two sets of gear structure, one set achieves drill, and the other set is driven the piston, it has a strong impact, along with the drilling results. Forces can crack stone and gold.