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/YB 818
Pan head screws with type H cross recess
GB/YB 819
Flat head screws with type H cross recess
GB/YB TM
Cross recessed truss head screws
GB 974-1976
120°Countersunk raised head screws with type H cross recess