Hex chamfered single face
Round head
Countersunk head
Raised countersunk head
Cheese
Square
Low cheese head
Square with collar
GOST 21333-1975
Low knurled thumb screws with cone point
GOST 21334-1975
Low knurled thumb screws with dog-cone point
GOST 21335-1975
Low knurled thumb screws with cup point
GOST 21336-1975
Low knurled thumb screws with oval point
GOST 21337-1975
Low knurled thumb screws with dog-cone point