QC/T 340-1999
Hexagon flange bolts with teeth
Q 180-1999
Hexagon flange bolts with teeth
Q 181-1999
Hexagon flange bolts with teeth
Q 182-1999
Type A hexagon head flange bolts with reduced shank
Q 182-1999
Type B hexagon head flange bolts with reduced shank
Q 184-1999
Type U hexagon flange bolts of fine rod flange
Q 184-1999
Type F hexagon flange bolts of rough flange
Q 186-1999
Type B large Hexagon Head Flange bolts
Q 186-1999
Type A large Hexagon Head Flange bolts
Q 188-1999
Type A large hexagon head flange bolts with reduces shank
Q 188-1999
Type B large hexagon head flange bolts with reduces shank
Q 180-2012
Hexagon flange bolts with teeth
Q 181-2012
Hexagon flange bolts with teeth
Q 184-2012
Hexagon flange bolt of rough flange-Type F
Q 182-2012
Hexagon flange bolt of Fine rod flange-Type U
Q 183-2012
Hexagon bolts with flange with metric fine pitch thread—Small series—Type U
Q 185-2012
Hexagon bolts with flange with metric fine pitch thread—Small series—Type F
Q 186-2012
Large Hexagon Head Flange bolts—Type F
Q 188-2012
Large Hexagon Head Flange bolts—Type U
Q 196-2012
Anti-disassembly bolts