Cross recess
Pozidriv recess
Round head
Countersunk head
Raised countersunk head
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
Reduced shank
Normal shank
Waisted shank
Full thread
Flat point
Cone point
GB 945-1976
Cross recessed fillister haed screws