For drywall, for lighter weights, let's say pictures, mirrors, not book shelves, there are actually self-drilling and self-threading anchors, you don't need a d

For drywall, for lighter weights, let's say pictures, mirrors, not book shelves, there are actually self-drilling and self-threading anchors, you don't need a drill, only a power screwdriver, there are both metal and nylon ones: http://www.colfert.com/Public/img/catalogo/products/zoom/img_205201011526.jpg http://www.colfert.com/Public/img/catalogo/products/zoom/img... https://admin.abc.sm/upload/1115/catalogodinamico/prodotti/HZ.jpg https://admin.abc.sm/upload/1115/catalogodinamico/prodotti/H...