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
GB/T 837-1988
Slotted pan head screws with waisted shank
DIN 7964B-1990
Slotted pan head screws with waisted shank - K end
DIN 7964B-1990
Slotted pan head screws with waisted shank - Sp end
GOST 10341-1980
Slotted round head screws with waisted shank
