QC/T 340-1999
Hexagon flange bolts with teeth
Q 215-1999
6-Lobe pan head screws
Q 120-1999
Double end studs
Q 110-1999
Weld studs for manual welding
Q 128-1999
Double end studs(clamping type)
Q 140-1999
Hexagon head bolts and plain washer assemblies
Q 141-1999
Hexagon head bolts and conical spring washers assemblies
Q 142-1999
Hexagon head bolts and spring washer assemblies
Q 144-1999
Hexagon head bolt and external teeth serrated lock washer assemblies
Q 146-1999
Hexagon head bolts, spring and plain washer assemblies
QC/T 854-2011
Hex flange bolt with double end
QC/T 854-2011
Hex flange bolt with double end
QC/T 379-2013
Tapered square head bolts
QC/T 379-2013
Square head bolts
QC/T 330-1999
Reed nut for automobile
QC/T 328-1999
Screw type ball pin for motor vehicles
QC/T 873-2011
6-Lobe 90°oval head self drilling screws with tapping screw thread
QC/T 874-2011
6-Lobe 90°flat head self drilling screws with tapping screw thread
QC/T 875-2011
6-Lobe pan head self drilling screws with tapping screw thread
Q 611-1999
Slotted cone plugs
