QC/T 383-2013
Hexagon outside head cone plugs with magnetic core(dz>NPT1)
Q 623-2012
Hexagon magnetic screw plug
Q 624-2012
Hexagon socket pipe magnetic plugs
DIN 5586-1989-1989
Locking screws with collar and vent
JB/ZQ 4446G-1-2006
Hexagon soket plug with 55° sealed pipe thread
CNS 4843-1982
Heavy type hexagon head pipe plugs with shoulder and parallel thread
CNS 4844-1982
Heavy type hexagon head pipe plugs with shoulder, vent hole and parallel thread
CNS 4845-1982
Light type hexagon head pipe plugs with shoulder and parallel thread(d≤16mm)
CNS 4845-1982
Light type hexagon head pipe plugs with shoulder and parallel thread(d≤16mm)
CNS 4845-1982
Light type hexagon head pipe plugs with shoulder and parallel thread(d≥18mm)
CNS 4845-1982
Light type hexagon head pipe plugs with shoulder and parallel thread(d≥18mm)
CNS 4846-1982
Hexagon head pipe plugs with taper thread(d≤18mm)
CNS 4846-1982
Hexagon head pipe plugs with taper thread(d≥20mm)
CNS 4846-1982
Inch hexagon head pipe plugs with taper thread(d≤18mm)
CNS 4846-1982
Inch hexagon head pipe plugs with taper thread(d≥20mm)
CNS 4847-1982
Hexagon socket pipe plugs with shoulder and parallel thread
CNS 4848-1982
Metric hexagon socket pipe plugs with taper thread
CNS 4848-1982
Hexagon socket pipe plugs with taper thread
CNS 5794-1983
Slotted taper screw plug for automobiles
CNS 5794-1983
Square socket taper screw plug for automobiles