Electric Drills can be divided into three categories: electric hand drill, impact drill and hammer drill.
The prices of these three kinds of electric drills are arranged from low to high, and the functions are also increased. The selection needs to be combined with their respective application scope and requirements. Differences among electric hand drill, impact drill, hammer drill and electric pick, The electric hand drill only relies on the motor to drive the transmission gear to increase the rotating force of the drill bit, so that the drill bit can scrape through metal, wood and other materials.