Impact drill and electric hammer drill is what is the difference
Hammer is the use of compressed gas piston, impact drill bit, need not make much effort, can open 6--100mm in concrete, brick, stone and other hard materials on the hole in the hammer on the opening of materials of high efficiency, but it is not a hole in the metal.
Both hammer percussion drill and drill function, it can be used when the hammer drill, and when. There are two kinds of drills. Impact bit can be divided into: straight handle impact bit, taper handle (oblique handle), impact drill and six angle handle impact bit. The utility model is used for loading and clamping the impact electric drill, drilling the concrete foundation, the wall, the brick wall and the granite, so as to install expansion bolts, plastic expansion pipes and other fasteners in the hole.
Impact drill and electric hammer drill bit is different: the impact drill used, need to tighten the special key. Is the electric hammer drill for electric hammer, electric hammer drill with locking clip assembly, simple, without any tools.
