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
UNI 7688-1977
Cross recessed countersunk head screws with type H
UNI 7687
Pan head screws with type H cross recess
UNI 7689
Countersunk raised head screws with type H cross recess