Q 171B-1999
Hexagon bolts with wire holes on head-fine pitch thread
Q 171C-1999
Hexagon bolts with wire holes on head-fine pitch thread
Q 173B-1999
Hexagon bolts with split pin hole on shank-fine pitch thread
Q 173C-1999
Hexagon bolts with split pin hole on shank-fine pitch thread
Q 174B-1999
Cross recessed hexagon bolts with indentation
UNI 5712
Hexagon bolts with large width across flats for high strength structural bolting
QJ 8035-2002
Hexagon bolts one slot
QJ 8035-2002
Hexagon bolts one slot with split pin hole on shank
TB/T 1479-1991
Axle end bolt for rail vehicle axle-hexagon head bolts for rough pole
TB/T 1479-1991
Axle end bolt for rail vehicle axle- hexagon head with hole bolts for rough pole
TB/T 1479-1991
Axle end bolt for rail vehicle axle-hexagon head bolts for fine rod
TB/T 1479-1991
Axle end bolt for rail vehicle axle-hexagon head with hole bolts for fine rod
ISO 4017-1999
Hexagon head screws
JIS B1186-1-2007
High strength hexagon bolts for friction grip joints-Table 1
GOST R52644-2006
Hexagon bolts for high-strength structural bolting with large width across flats-Property classes 8.8 and 10.9
KS B1002-2006
Hexagon head bolts
KS B1002-2006
Hexagon head bolts-Reduced shank
KS B1002-2006
Hexagon head screws
KS B1002-2006
Hexagon head bolts-Full thread
NF E25-113-1992
Hexagon head bolts-Reduced shank