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Heavy Industry

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The "Heavy Industry" sector includes applications in the steel industry, press construction and mining.

Typical applications are bolted connections on

  • Presses
  • Rolling mills
  • Slewing rings
  • Excavators
  • Crushers
  • Furnaces
  • Couplings
  • Anchorages
  • Cylinders

and many more.

On the one hand, existing plants can be upgraded – e.g. in the course of an overhaul – and on the other hand, new plants can be optimized during design.

In close cooperation with the engineers, our products are optimally developed for each application. We offer support in the design and dimensioning of the entire bolted connection so that our customers can operate their systems safely.


As far as technically possible, we supply standard MJP of the PM08, PM10 and PM12 type series. Where necessary, special solutions in suitable materials are individually designed and manufactured for each application.

Radial pretensioning bolts (RPB) are the ideal solution on large couplings for the safe transmission of high torques.

All products are made of high-quality materials. Audits, tests, verifications and certificates of all kinds are possible.

Symbol images – © Adobe Stock



If you have any questions, please do not hesitate to contact me.

Robert Ploke Mail Contact Tel. +41 55 284 11 33

Bolting solutions for highest loads

We calculate, develop, design and produce the best technical and economical bolting solutions for large dimensions and high, precisely adjustable and re-releasable pretensioning forces in accordance with the specific requirements of our customers and on the basis of our high-quality mechanical PM Multi-Jackbolt Pretensioners (MJP).