Round head
Countersunk head
Raised countersunk head
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Raised cheese
ASME/ANSI B18.6.4-20-1998
Type D 80°slotted raised countersunk head self tapping cutting screw with fine pitch thread-Table 20
ASME/ANSI B18.6.4-20-2005
Type D 80°slotted raised countersunk head self tapping cutting screw with fine pitch thread-Table 20
ASME/ANSI B18.6.4-17-1981
Type D 80°slotted raised countersunk head self tapping cutting screw with fine pitch thread-Table 17
