Round head
Countersunk head
Raised countersunk head
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
GOST 10340-1980
Cross recessed ralsed countersunk head screws with waisted shank
GOST 17474-1980
90°Cross recessed rasied countersunk head screws
GOST R50406-1992
90°Countersunk raised head screws
GOST R50406-1992
90°Countersunk raised head screws
