High-End cutting tools like cutting rollers / roller cutters for tunnel boring machines. We support you for: development, production, design, optimal driving, manufacture, accessories, assembly and repair of your TBM. Specialist Mika Bohrtechnik GmbH makes rock cutting technology for mining tools such as boring drill heads, ring teeth, cutting rollers and boring heads for special civil engineering, well construction, tunnelling, micro-tunnelling, horizontal boring and more. High-quality tunnel drills and boring heads (Drilling Heads) for microtunnelling, horizontal civil engineering, tunnel construction, civil engineering and many more.