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Calculation Programs


Download our free software to search and calculate standard spring types. Also view our up-to-date stock levels of inventory here.


Calculation for Springs

Febrotec excel calculation program for stock springs and all types of standard springs applicable for:


RoHS and REACh

RoHS stands for Restriction of Hazardous Substances. We hereby declare that all our products meet the requirements of the RoHS Directive 2011/65/EU of the European Parliament.  They do not contain more than 0,1%, for cadmium 0,01%, of the following mass substances:

  • Cadmium (Cd): < 100 ppm
  • Lead (Pb): < 1000 ppm
  • Mercury (Hg): < 1000 ppm
  • Hexavalent Chromium: (Cr VI) < 1000 ppm
  • Polybrominated Biphenyls (PBB): < 1000 ppm
  • Polybrominated Diphenyl Ethers (PBDE): < 1000 ppm
  • Bis(2-Ethylhexyl) phthalate (DEHP): < 1000 ppm
  • Benzyl butyl phthalate (BBP): < 1000 ppm
  • Dibutyl phthalate (DBP): < 1000 ppm
  • Diisobutyl phthalate (DIBP): < 1000 ppm