DIN 7604-1992
Light-Duty Hexagon Head Screw Plugs(d≥18mm)
DIN 7604-1992
Light-Duty Hexagon Head Screw Plugs(d≥18mm)
DIN 909-1992
Inch hexagon head pipe plugs(d≥20mm)
Q 618B-1999
Hexagon semi-tubular taper plugs
QC/T 381-1999
Hexagon semi-tubular taper plug
QC/T 381-2013
Hexagon semi-tubular taper plug
Q 618B-2012
Hexagon semi-tubular taper plugs
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
Inch hexagon head pipe plugs with taper thread(d≥20mm)