Metal cut chemical anchoring grids for anchoring in perforated building substrates such as ceramic blocks and bricks to reduce the mass yield of chemical anchors. These metal meshes are needed so that the person can cut it according to his needs and conditions. The mesh is designed for threaded strings, screws with diamonds as follows: H 12x1000mm: 6/M6 - 8/M8; H 16x1000mm: 10/M10 - 12/M12; H 22x1000mm: 12/M12 - 16/M16; H 30x1000mm: 16/M16 - 22/M22