Socket manufacturing process:  
Socket quality testing:
Socketing procedure:
 Socketing medium:
 Pins & nuts:
In line with DIN EN 1559-2? 
EN 1991-1-11, incl. requirements for fatigue resistance
G18NiMoCr3/6 in accordance to EN 10320
Surface quality grade 2 (SM2, LM2 and AM2) in accordance with DIN EN 1369

In line with DIN EN 13411-4, EN 13411–4,

GBZnAl6Cu1 (Z610) in line with DIN EN 1774. 
Epoxy resin

 In accordance to EN 10 0 83-2, or similar

Other on request
Download your classic cylindrical socket ST-PC data sheet