Hex chamfered single face
Hex with flange
Round head
Countersunk head
Raised countersunk head
Hex with collar
Round head with collar
Countersunk head with rib
Undercut countersunk head
Bugle head
Raised Undercut countersunk head
Low cheese head
Raised cheese
Hex chamfered double faces
ASME/ANSI B18.6.4-30-1998
Type BF Type II cross recessed with type H recessed flat raised countersunk trim head self tapping cutting screw-Table 30
ASME/ANSI B18.6.4-30-2005
Type BF Type II 80°cross recessed with type H recessed flat raised countersunk trim head self tapping cutting screw-Table 30