Clamping Nut

Hydro-mechanical, Metric


  • clamping nut with a through thread, which means high adaptability to varying heights of clamping edges and tolerances
  • safe clamping using the clamping force indicator pin (option)
  • no need for adaptation of the tie rod length
  • suitable for retrofit
  • intensification of clamping force possible in the case of multiple clamping
  • high clamping force with low torque
View Size Chart
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Following manual positioning of the clamping nut against the clamping edge, the integral hydraulic cushion is preloaded by turning the hexagon socket. A low torque is translated into a high clamping force. In the case of versions without clamping force control, use a torque wrench to ensure safe and defined build-up of the clamping force. In the case of versions with clamping force control, the clamping force indicator pin will project by approx. 2.5 mm when the clamping force is reached.

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Comparison of new hydro-mechanical clamp (bottom)

and old hydro-mechanical clamp (top)