CB/T 908-1996
The side of the ship has unequal studs
CB/T 908-1996
An equal-length twin stud is used on the side of the ship
NB/T 47027-2012
Equal-length twin stud for pressure vessel flange -type B
DIN 797-1970
Special Foundation bolts-Fine rod double head bolt with hole and cone end
JB/T 2773-1992
PN16～32MPa Double end studs
JB/T 2774-1992
PN16～32MPa Stepped Double end stud
JB/T 1308.14-1999
PN 250 MPa Double end studs
JB/T 1308.15-1999
PN 250 MPa Stepped Double end stud
HG/T 21573.2-1995
Type BT double end studs with hole-Type I
HG/T 21573.2-1995
Type BT double end studs with hole-Type II
HG/T 21573.2-1995
Type BT double end studs-Type III
HG/T 21573.2-1995
Type BS double end studs with hole-Type I
HG/T 21573.2-1995
Type BS double end studs with hole-Type II
HG/T 21573.2-1995
Type BS double end studs-Type III
CNS 4427-1981
Special Foundation bolts-Fine rod double head bolt with hole and cone end
PN 85061
Special Foundation bolts-Fine rod double head bolt with hole and cone end
GB/T 13807.2-1-2008
Type L Double end studs-Table 1
GB/T 13807.2-1-2008
Type S Double end studs(d≤56mm)-Table 1
GB/T 13807.2-1-2008
Type S Double end studs(d≥64mm)-Table 1
GB/T 13807.2-1-2008
Type SD Double end studs(d≤56mm)-Table 1
