Square Handle Four Pits Electric Hammer Bit Impact Drill through-Wall Cement Wall Drill Concrete Construction Drill Electric Pick Drill

 Electric hammer bit there is no blade, only a 135-degree angle alloy Chisel head, hitting objects a facility for children to bore by chisel, rotating to discharge powder, fragments, and to cut round holes. This property determines that electric hammer bit can only deal with objects with high hardness and brittleness, such as concrete, brick wall, stone, granite, ceramic tile (special drill bit for health care) and other hard broken objects.