Slot
Round head
Countersunk head
Raised countersunk head
Cheese
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
Cheese with hole
Countersunk Cheese head
Large cheese head
Hole on shank
Cross-knurl
Reduced shank
Normal shank
Shoulder
Waisted shank
Full thread
Flat point
Cone point
AN 525-2000
Slotted round head screws
AN 116901-1954
Slotted raised cheese head screws
AN 116913-1994
Slotted cap stan screws with two holes on the head
AN 116925-1954