For hard concrete products and highly compacted sand-lime brick (Quadroblock) etc. (Xpress, color coding system: black), radius slots in the lid for dust extraction, laser-welded segments, M16 thread for use in hammer drills with SDS-Plus / TE-C holder, Note: By selecting the right core bit for the existing material, the service life of the diamond segments can be increased considerably! Please note: When drilling, core drills should always be used without a hammer blow! Working depth: 65 mmDiameter: 68 mm
