deutsch english Home About us Services News Contact Download Search Special equipment for industry Automatic bolt tensioner This purely axial method allows engaging the tensioning force exactly into the connection. The optimization of assembly time is the biggest benefit. Due to the automatic bolt tensioner eliminates time-consuming screwing and unscrewing. The resulting time saving of the tensioning is approximately 50%. Standard design Patented thread clamping Drive gear, teethed nut and gearbox Automatic… Read more Single-stage bolt tensioner with exchangeable tension nut By the feature of the exchangeable tension nut we create in common with a hydraulic cylinder and multiple supplementary sets, an assembly tool for bolts and nuts used in general engineering. It is highly cost effective, for example if for a machine, a tool for different thread sizes is necessary. Read more Electrical hydraulic power unit for Torque wrenches Qur electro-hydraulic power units have been developed for all common hydraulic torque wrenches. The units are ideally suited for continuous operation thanks to active recirculation cooling. Due to the compact and ergonomic design including support frame, a safe and comfortable screwing ist possible. Read more AS Tech Industrie- und Spannhydraulik GmbH Leopold-Hoesch-Str. 5-7 D-52511 Geilenkirchen info@astech-hydraulik.com Imprint Privacy Policy