Hex socket
Hex socket with centre
Hex socket with pin
Round head
Countersunk head
Cheese
Round head with collar
Low cheese head
Cheese with hole
Straight-knurl
Normal shank
Shoulder
Waisted shank
Full thread
Flat point
Cone point
Q 218B-1999
Hexagon socket plain heads cap screws
Q 218B-2012
Hexagon socket head cap screws
Q 250-2012
Hexagon socket countersunk head screws