Thread M12 concave R45 angle 15°
DIN 912, 10.9
For knife 34x34x23 - K4-21088
4xM16; 2x D10
5xM16 2xM8 2xD10
DIN 912, 12.9
2x21 1x17,5/27
4x slots 2x thread M16 left
35°