Turbines
Connection elements in the norms of ‘DIN 931, DIN 933, DIN 603, DIN 934,
DIN 985, DIN 125, DIN 127, DIN 9021‘ used in turbines and special
bushing nuts and materials provided according to standards such as 6.8,
8.8, 10.9, A2 (304), A4 (316).