31.12.2020 18:38
The most popular tools are drills and perforators. In their form, they seem similar and are intended for the same work, but not all customers understand the difference, how the punchers differ? The first function of the perforator is the drilling of holes in solid materials (stone and concrete), secondary - drilling the rest (brick, wood, metal, etc.) The shock part of the perforator consists of mechanics and pneumatics.