DIN 908-1992

Hexagon socket screw plugs

DIN 909-1992

Hexagon head pipe plugs(d≤18mm)

DIN 909-1992

Hexagon head pipe plugs(d≥20mm)

DIN 909-1992

Inch hexagon head pipe plugs(d≤18mm)

QC/T 379-2013

Square head bolts

Q 611-1999

Slotted cone plugs

Q 615-1999

Slotted columnar fine thread plugs

Q 616-1999

Slotted plunger plugs

Q 619-1999

Inner hexagon conical screw plugs

DIN 906-1992

Metric hexagon socket pipe plugs

DIN 906-1992

Hexagon socket pipe plugs

QC/T 377-1999

Slotted cylinder plug

QC/T 378-2013

Inner hexagon conical screw 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/ZQ 4179-2006

Hexagon socket plug with 55° non-sealed pipe thread

QC/T 382-1999

Slotted cone plug

Q 614B-1999

Square head bolts

QC/T 379-1999

Square head bolts