What to say: to make a hole in the concrete wall can be difficult. Without the carbide punch or the diamond drill is not enough. And if you need to hang a bookshelf, lamps, a large painting, this work is justified. But for prints, photographs, maps to batter the wall with a punch?GRINDS DRILL…
Getting a smooth surface — a long and laborious process. Cut it will help the sanding attachment on a drill, which is a cylinder with an oblique gap, which made the ends of strips of sandpaper.










