flat
R375/467 8 x D17
2xM16
2 x D18
2 x M16
M20
4 x D17
M20x80 DIN 933, 10.9
HEX 30
HEX 35
57 HRC 2xM16
4x slots 2x thread M16 left
1xD26/32x42 ; 2xD32
57 HRC 2xd17/d35 conical coutersink