Smj marketing offers hydraulic clamping system from andreas maier, germany. These clamps are suitable for workpieces with complex external top clamping or Slot clamping. These link clamps double acting with maximum working pressure of 350 bar. The cylinder body is made of hardened and tempered steel and blued. The piston is hardenedn and tempered, ground, nitrited and treated with a corrosion resistant coating. The lever is made of hardened and tempered steel and blued. The pin is hardened and ground, nitrited and treated with a corrosion-resistant coating. Link clamps are used in clamping fixtures in which work pieces must be freely accessible and are loaded from above. These are specially suitable for clamping in pockets, and recesses. This damping has features such as head flange version, hydraulic supply through threaded ports on the rear side of the face, or through oil ports in the flat face with 0-ring seals. Lever mechanism can be turned through 180° in 90° steps.