Hydraulic bolt tensioners up to 615tf

Hydraulic bolt tensioners up to 615tf

Designed for screwing and unscrewing nuts with calibrated capacity in heavy duty fasteners when performing installation and dismantling and repair work in all industry branches.
The work of the bolt tensioner is based on pre-stretching of a stud (bolt) with a capacity equal to the requiered capacity of screw connection fastening and the subsequent tightening of nuts without the application of capacity against stop into support surface.

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Hydraulic bolt tensioners up to 615tf