Pretensioning Tool
- amtec step nuts with hydraulic retraction (double-acting)
- The structure and principle of operation are similar to the "standard" step nut.
- However, besides the automation of the clamping procedure, it is also possible to automate tension release by a second (smaller) hydraulic chamber.
- Dimensions are produced according to the customer's wishes.
- Area of application: Tension rods and presses
