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
GOST 10343-1980
Cheese washer head screws with waisted shank for width across flats