Spiral springs are used as reliable spindle protective covers against external influences. The material used is hardened spring band steel. If the spiral springs are exposed to cooling lubricants with high water content, it is recommended to use stainless steel springs.
![[Translate to EN:] Spiralfeder SF](/fileadmin/_processed_/d/d/csm_Spiralfeder_SF_6ca9e00ae5.jpg "[Translate to EN:] Spiralfeder")