The distinguishing feature of the Bolt Tensioners of product group 4 is that the pulling thread is part of the piston itself. The cylinder-piston-set is screwed immediately onto the continuous bolt thread.

Main Features


  • single-stage
  • thread in piston
  • for continuous bolt threads

Advantages of PG
  • cheapest SSV
  • short thread overhang of bolt
  • small outer diameter of SSV
  • low height of SSV

Examples of Applications
  • where bolts with one thread size should be
    tensioned at the lowest cost
  • transmission construction
  • press construction

More SSV

We distinguish our Bolt Tensioners into 8 different product groups (designs)
which, in principle, have all the same function.