Thread M12 concave R45 angle 15°
DIN 912, 10.9
For knife 34x34x23 - K4-21088
5xM16 2xM8 2xD10
4xM16; 2x D10
DIN 912, 12.9
3xd17,5/32 2xM12 left
Segment Valon Kone;
4 x D40 /17 ; 2x M20 Hard welding