Slot
Hex socket
Square socket
Hex chamfered single face
Cheese
Square
Hex with collar
Hex with hole
Hex chamfered double faces
Full thread
Flat point
Semitubular end
JB/ZQ 4179-2006
Hexagon socket plug with 55° non-sealed pipe thread
DIN 5586-1989-1989
Locking screws with collar and vent