GB/T 31.3-1988
Hexagon bolts with split pin hole on shank-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
QJ 8035-2002
Hexagon bolts one slot with split pin hole on shank
Q 173B-2012
Hexagon bolts with split pin hole on shank-fine pitch thread
Q 173C-2012
Hexagon bolts with split pin hole on shank-fine pitch thread
GOST 7798-1970
Hexagon bolts with split pin hole on shank
GOST 7805-1970
Hexagon bolts with split pin hole on shank
GOST 7808-1970
Hexagon bolts with split pin hole on shank
GOST 7808-1970
Upset type hexagonal bolts with split pin hole on shank
GOST 10602-1972
Hexagon bolts with split pin hole on shank
GOST 10602-1994
Hexagon bolts with split pin hole on shank
GOST 18125-1972
Hexagon bolts with split pin hole on shank