UNI 5909
Studs with a length of engagement equal to about 1d
UNI 5914
Studes with a length of engagement equal to about 2d
CNS 4603-1978
Studs, b1≈1d
CNS 4604-1978
Studs,b1≈1.25d
CNS 4605-1978
Studs,b1≈2d
GOST 22032-1976
Double end studs b1=1d
GOST 22032-1976
Double end studs with reduced shank b1=1d
GOST 22033-1976
Double end studs b1=1d
GOST 22034-1976
Double end studs b1=1.25d
GOST 22035-1976
Double end studs b1=1.25d
GOST 22036-1976
Double end studs b1=1.6d
GOST 22037-1976
Double end studs b1=1.6d
GOST 22038-1976
Double end studs b1=2d
GOST 22039-1976
Double end studs b1=2d
GOST 22040-1976
Double end studs b1=2.5d
GOST 22041-1976
Double end studs b1=2.5d
GOST 22042-1976
Double end studs
GOST 22042-1976
Double end studs with reduced shank
GOST 22043-1976
Double end studs
PN 82137
Studes with a length of engagement equal to about 2d