Back (Fe-Base)

Rigips screw

Numeric designationRigips-Schraube
Chemical designationRigips-Schraube
StateRolled thread
Etching3 % Nital

The rolled screw was lightly carburized in a continuous furnace. The quenched and tempered microstructure in the core has a hardness of 370 HV0.1, the edge zone reaches 600 HV0.1.