5 (4)

6 (4)

18 (1)

20 (2)

24 (3)

25 (2)

1.7131 (8)

case hardened steel 16MnCr5 (8)

helical toothed (8)

left handed 19° 32' 42" (8)

hardness of teeth ~60 HRC (8)

50 (4)

60 (4)

No (8)