The Blastrac trapezoidal double bar diamond grinder is designed for grinding concrete and terrazzo floors with blast furnace floor grinders. The diamond double bar section trapezoidal grinding discs have specially designed ultra-hardness blades, which allow smoother and faster removal of rough surfaces on the ground than conventional blades, effectively improving grinding efficiency. They are characterized by high efficiency and long service life.

Diamond grinding pads have threaded locating holes and bores, and can be installed with bolts or magnets. After installation, they are very strong and not easy to be loosened, which ensures the safety of the grinding process.