Square socket
Round head
Countersunk head
Raised countersunk head
Undercut countersunk head
Raised Undercut countersunk head
Raised cheese
Normal shank
Full thread
ASME/ANSI B18.6.3-22-2013
Square socket raised cheese head screws-Table 22
ASME/ANSI B18.6.3-28-2013
Square socket raised cheese head screws-Table 28