Lead screw for ROK fireproof switchboards


Śruba pociągowa do rozdzielni ognioszczelnych ROK


The lead screw is used to close the chambers of ROK … type distribution fields, manufactured by Zakłady Wytwórcze Aparatury Wysokkiego High Voltage ZWAR in Warsaw.



The lead screw is made of a stainless steel rod, in the form of a trapezoidal three-way thread. 

The cube of the lead screw mounting bracket is made of a block of quality steel. 
The coupling nut of the bolt is made as a sleeve with an internal three-way thread. 

Execution types

  • lead screw with cube without mounting bracket
  • lead screw with cube and mounting bracket 


Download the catalog card:

ikonaLead screw for ROK fireproof switchboards

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