Stud bolts with threaded end 8.8, length ~1 d, DIN 938

e = material end, thread Sk6
b = nut end, thread 6g

M10d1M3M4M5M6M8
M121.251.51.7522.53
M1681012162024
M203.23.84.356.37.5
M241.61.92.22.53.23.8