Ruibo electric drill is much power dual-purpose electric hammer
So the volume ratio of a large hammer drill, electric hammer should be inside the cylinder, connecting rod, piston and other important parts. The electric drill can only drill, drill, wood, iron sheet, plastic and other materials.
The essential difference between the electric drill and electric hammer are: (1) the size is not the same. (2) of course the weight is the same. There is only an electric drill motor (stator and rotor +) gear bite and some revolutions, hammer is not the same, should be called the "hammer" so it has impact force, can drill concrete stone and other hard material.
