6.2276
Clamping Nut
Hydro-mechanical, Metric
Features
- 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

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.
Max. clamp force (kN) | 60 | 100 | 150 | 60 | 100 |
Tightening torque (Nm) | 9 | 30 | 9 | 30 | |
Stroke (mm) | 2 | 2 | 2 | 2 | 2 |
Overall Diameter (mm) | 70 | 95 | 112 | 70 | 95 |
Height (mm) | 71 | 75 | 90 | 87 | 91 |
Weight (kg) | 2.00 | 3.70 | 6.10 | 2.30 | 4.60 |
Part no. | HCR-8.2275.0001 Clamping Nut - without force display | HCR-8.2276.0001 Clamping Nut - without force display | HCR-8.2277.0001 Clamping Nut - without force display | HCR-8.2275.0102 Clamping Nut - with force display | HCR-8.2276.0102 Clamping Nut - with force display |
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Accessory No. | HCR-5700-023 T-Bolt, 22mm Slot | HCR-5700-024 T-Bolt, 28mm Slot | HCR-5700-048 T-Bolt, 36mm Slot | HCR-5700-023 T-Bolt, 22mm Slot | HCR-5700-024 T-Bolt, 28mm Slot |
Part no. | HCR-8.2275.0002 Clamping Nut - with force display | HCR-8.2276.0002 Clamping Nut - with force display | HCR-8.2277.0002 Clamping Nut - with force display | ||
Accessory No. | HCR-5700-023 T-Bolt, 22mm Slot | HCR-5700-024 T-Bolt, 28mm Slot | HCR-5700-048 T-Bolt, 36mm Slot |
Comparison of new hydro-mechanical clamp (bottom)
and old hydro-mechanical clamp (top)