CNS 9668-1988
Slotted (oval) fillister head machine screws
CNS 9672-1988
Slotted truss (or mushroom) head machine screws
CNS 9673-1988
Slotted binding( or oval cheese) head machine screws
CNS 9678-1982
Slotted countersunk head machine screws for precision instruments-type A
CNS 9678-1982
Slotted countersunk head machine screws for precision instruments-type C
CNS 9681-1982
Slotted raised pan head machine screws for precision instruments-type A
CNS 9681-1982
Slotted raised pan head machine screws for precision instruments-type B
CNS 9681-1982
Slotted raised pan head machine screws for precision instruments-type C
GOST 1491-1980
Slotted cheese head screws
GOST 10336-1980
Slotted cheese head screws with waisted shank
GOST 10336-1980
Slotted high cheese head waisted shank screws with hole on head
GOST 10336-1980
Slotted high cheese head screws with waisted shank
GOST 10337-1980
Slotted raised cheese head screws with waisted shank
GOST 10339-1980
Slotted countersunk head screws with waisted shank
GOST 10340-1980
Slotted ralsed countersunk head screws with waisted shank
GOST 10341-1980
Slotted round head screws with waisted shank
GOST 10344-1980
Slotted knurled cheese head screws with waisted shank
GOST 10344-1980
Slotted knurled cheese head waisted shank screws with hole on head
GOST 11644-1975
Slotted pan head screws
GOST 15163-1978
Slotted headless tapered bolts of high precision