High Quality Electric Impact Power Machine Brushless Cordless Hammer Drill

Electric hammer is a widely used electric tool. On the basis of the electric drill, the electric hammer is to add a piston with a crankshaft and connecting rod driven by the motor to compress air in a cylinder to make the air pressure in the cylinder change periodically. The changed air pressure drives the hammer in the cylinder to hit the top of the drill bit to and fro, which is equivalent to hitting the drill bit with a hammer. It is named electric hammer.