T-head
Cheese with collar
T-head with square neck
T-head with shoulder
Tommy
Flat T-head
T-head with nibs
T-head countersunk
Hole on shank
Normal shank
Shoulder
Waisted shank
Full thread
Dog point
Semitubular end
DIN 188-1987
T-head bolts with double nibs
CNS 4568-1981
T-head bolts with double nib
DIN 188-2024