Round head
Countersunk head
Raised countersunk head
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
IFI 513-7-1982
Metric pan head screws with type H cross recess-Table 7
IFI 513-7-1982
Metric pan head screws with type Z cross recess-Table 7
