2x slot with countersink D11,5/D18; edge 33°; opposite angle 3°; 2x M6
2x hole D11,5/ countersink D18; edge 30°
profile 110°/34,2mm; hole D12,3/ countersink D23; angle 30° opposite angle 7°
DIN 933, 8.8
2xd26/42/60°