JB/ZQ 4452-2006
Cheese head screws plug
JB/ZQ 4447-2006
Hexagon socket screws plug with 60°sealed pipe thread
JB/ZQ 4446-2006
Hexagon soket plug with 55° sealed pipe thread
JB/T 8037-1999
Screw Plug-typeA
JB/T 8037-1999
Screw Plug-typeB
JB/ZQ 4179-2006
Hexagon socket plug with 55° non-sealed pipe thread
JB/ZQ 4352-2006
Hexagon socket head cap screws
JB/ZQ 4725-2006
Thin hexagon socket head cap screws
JB/ZQ 4446G-1-2006
Hexagon soket plug with 55° sealed pipe thread
JB/ZQ 4446G-2-2006
Hexagon soket plug with 55° sealed pipe thread
JB/ZQ 4446G-3-2006
Hexagon soket plug with 55° sealed pipe thread
JB/ZQ 4447G-2006
Hexagon socket screws plug with 60° sealed pipe thread
JB/ZQ4444-1997
Hexagon socket pipe plugs with shoulder and parallel thread
JB/ZQ4444-2006
Hexagon socket pipe plugs with shoulder and parallel thread
