What is the difference between electric hammer and electric pick?
Electric hammer is specially used for drilling holes on wall, concrete and stone surface. Furthermore, a multifunctional electric hammer can replace a common electric drill and electric pick after adjusted to an appropriate position and equipped with a suitable drill bit. ....
Owing to powerful impact, electric pick can directly make impact rupture on object like a hammer or chisel, but its efficiency must be N times higher than manual tools. Electric pick and electric hammer are mainly different in size, electric hammer is high-power and can drill large hole. The both are almost same in principle, and their drill bits have function of rotation and hammering. Impact drill can be used as a common electric drill, and a change-over switch thereon can change it into common drilling and impact drilling..
Prospect Analysis of Electric Tool Industry