McMaster-Carr logo
    Filter by
    Pipe Size
    Industrial Info Compare
    Thread Type
    Industrial Info Compare
    Seal Material
    Industrial Info Compare
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    DFARS Specialty Metals
    Minimum Opening Pressure
    Maximum Temperature
    Maximum Pressure
    Maximum Opening Pressure
    Minimum Pressure
    Lock Included
    Maximum Shackle Diameter
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    41 Products

    Drum Plugs

    Image of Product. Front orientation. Drum Plugs. Style A.
    Image of Product. Bottom orientation. Drum Plugs. Style B.
    Image of Product. Front orientation. Drum Plugs. Style C.
    Image of Product. Front orientation. Drum Plugs. Style D.
    Image of Product. Front orientation. Drum Plugs. Style E.

    Style A

    Style B

    Style C

    Style D

    Style E

    Image of Product. Front orientation. Drum Plugs. Style F.
    Image of Product. Front orientation. Drum Plugs. Style G.
    Image of Product. Front orientation. Drum Plugs. Style H.
    Image of Product. Front orientation. Drum Plugs. Style J.

    Style F

    Style G

    Style H

    Style J

    For installation and removal of these plugs, use drum-plug wrenches.
    Polyethylene
    Image of Product. Front orientation. Drum Plugs. Style A.
    Image of Product. Bottom orientation. Drum Plugs. Style B.
    Image of Product. Front orientation. Drum Plugs. Style C.
    Image of Product. Front orientation. Drum Plugs. Style D.

    Style A

    Style B

    Style C

    Style D

    Style D—Style D have a M64 thread size, which is also known as Buttress threads.
    Drum Plug Caps—Drum-plug caps (sold separately) fit over drum plugs to provide dust protection as well as evidence of tampering. They have a breakaway seal and are for one-time use.
    Drum Plugs
    Drum Plug Caps
    Drum Plug
    Crimpers
    Style
    Drum Plug Type
    Color
    Seal
    Material
    Pipe/Thread
    Size
    Gender
    Max. Temp.,
    ° F
    Opening Pressure
    Range, psi
    Features
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    Each
    APressure Relief, Vacuum ReliefWhite3/4 NPSMMale1251 to 4Vent500000000000001000000000000000000000000000
    AStandardWhite3/4 NPSMMale12550000000000010000000000000000000000000
    BPressure Relief, Vacuum ReliefWhiteEPDM
    2 NPSMMale1251 to 4Vent5000000000000100000000000000000000000000
    CStandardWhite2 NPSMMale1253/4 NPSM Faucet Knockout5000000000000100000000000000000000000000
    DStandardWhiteEPDM
    M64 MetricMale1253/4 NPSM Faucet Knockout5000000000000100000000000000000000000000
    Polypropylene
    Image of Product. Front orientation. Drum Plugs. Style A.
    Image of Product. Bottom orientation. Drum Plugs. Style B.
    Image of Product. Front orientation. Drum Plugs. Style C.
    Image of Product. Front orientation. Drum Plugs. Style D.

    Style A

    Style B

    Style C

    Style D

    Style D—Style D have a M64 thread size, which is also known as Buttress threads.
    Drum Plug Caps—Drum-plug caps (sold separately) fit over drum plugs to provide dust protection as well as evidence of tampering. They have a breakaway seal and are for one-time use.
    Drum Plugs
    Drum Plug Caps
    Drum Plug
    Crimpers
    Style
    Drum Plug Type
    Color
    Seal
    Material
    Pipe/Thread
    Size
    Gender
    Max. Temp.,
    ° F
    Opening Pressure
    Range, psi
    Features
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    Each
    APressure Relief, Vacuum ReliefGray3/4 NPSMMale1251 to 4Vent500000000000001000000000000000000000000000
    AStandardGray3/4 NPSMMale125500000000000010000000000000000000000000
    BPressure Relief, Vacuum ReliefWhiteEPDM
    2 NPSMMale1251 to 4Vent5000000000000100000000000000000000000000
    CStandardGray2 NPSMMale1253/4 NPSM Faucet Knockout5000000000000100000000000000000000000000
    DStandardWhiteM64 MetricMale1253/4 NPSM Faucet Knockout5000000000000100000000000000000000000000
    Zinc-Plated Steel
    Image of Product. Front orientation. Drum Plugs. Style E.
    Image of Product. Front orientation. Drum Plugs. Style F.
    Image of Product. Front orientation. Drum Plugs. Style G.

    Style E

    Style F

    Style G

    Drum Plug Caps—Drum-plug caps (sold separately) fit over drum plugs to provide dust protection as well as evidence of tampering. They have a breakaway seal and are for one-time use.
    Drum Plugs
    Drum Plug Caps
    Style
    Drum Plug Type
    Seal
    Material
    Pipe/Thread
    Size
    Gender
    Opening Pressure
    Range, psi
    Features
    Each
    Pkg.
    Qty.
    Pkg.
    EPressure ReliefBuna-N
    3/4 NPSMMale0.5 to 4Vent00000000000010000000000000
    EStandardBuna-N
    3/4 NPSMMale00000000001000000000000
    EVacuum ReliefBuna-N
    3/4 NPSMMale0.5 to 4Vent000000000001000000000000
    FStandardBuna-N
    2 NPSMMale0000000000010000000000000
    GPressure ReliefBuna-N
    2 NPSMMale13 to 15Vent00000000000010000000000000
    316 Stainless Steel
    Image of Product. Front orientation. Drum Plugs. Style H.

    Style H

    Image of Product. Front orientation. Drum Plugs. Style J.

    Style J

    PTFE Seal—Plugs with PTFE seals stand up to corrosive chemicals such as nitric acid.
    Drum Plug Caps—Drum-plug caps (sold separately) fit over drum plugs to provide dust protection as well as evidence of tampering. They have a breakaway seal and are for one-time use.
    Drum Plugs
    Drum Plug Caps
    Style
    Drum Plug
    Type
    Seal
    Material
    Pipe/Thread
    Size
    Gender
    Each
    Pkg.
    Qty.
    Pkg.
    HStandardBuna-N
    3/4 NPTMale000000000000010000000000000
    HStandardPTFE
    3/4 NPSMMale00000000000001000000000000
    JStandardBuna-N
    2 NPTMale00000000000010000000000000
    JStandardPTFE
    2 NPSMMale000000000000010000000000000

    Drum Vents

    Image of Product. Front orientation. Drum Vents. Style D.

    Style D

    Prevent drum failure by using these vents to release pressure and vacuum buildup caused by draining liquids and sudden temperature changes. In case of fire, a flame arrester prevents flashback into the drum.
    Style D—Style D has a removable cap so it can be used as a fill opening.
    Activation
    Style
    Pressure
    Relief
    Vacuum
    Relief
    Seal
    Material
    Flame Arrester
    Material
    Pipe
    Size
    Gender
    Opening Pressure
    Range, psi
    Certification
    Each
    For Vertical Drums
     
    Brass
    DAutomaticAutomaticBuna-N
    Brass2 NPTMale3 to 8FM Approved
    00000000000000
     

    Locking Drum Plug Caps

    Image of Product. Front orientation. Drum Plug Caps. Male.
    Image of Product. Front orientation. Drum Plug Caps. Female.

    Male

    Female

    Prevent tampering with the contents of your drum while allowing access for filling.
    Pipe
    Size
    Gender
    Dia.
    Ht.
    Lock Type
    Lock
    Included
    For Max. Shackle
    Dia.
    Each
    Iron
    2 NPTMale3 1/8"2 1/4"PadlockableNo7/16"0000000000000
    2 NPTFemale3 1/8"1 3/8"PadlockableNo5/16"000000000000
    3 NPTFemale4 1/2"2"PadlockableNo1/2"000000000000
    4 NPTFemale5 1/4"2 1/4"PadlockableNo1/2"0000000000000
     

    Drum Plug Gaskets

    Image of Product. Front orientation. Drum Plug Gaskets.
    Add a gasket or replace one that's worn out to ensure a tight seal.
    Material
    Max. Temp.,
    ° F
    Pkg.
    Qty.
    Pkg.
    For 3/4 Pipe Size
    Polyethylene350500000000000000
    Buna-N
    450100000000000000
    EPDM
    450100000000000000
     
    For 2 Pipe Size
    Polyethylene35050000000000000
    Buna-N
    45050000000000000
    EPDM
    45050000000000000
     
    For M64 Thread Size
    EPDM
    20010000000000000
     

    Drum Locks

    For Closed-Head Drums
    Image of ProductInUse. Front orientation. Drum Locks. For Closed-Head Drums, Padlockable.
    Image of ProductInUse. Front orientation. Contains Border. Drum Locks. For Closed-Head Drums, Keyed Lock.

    Padlockable

    Keyed Lock

    Padlockable—Padlockable locks for closed-head drums replace the plugs on 3/4" and 2" drum openings. Made of brass, they're non-sparking and resist corrosion in wet environments. Slide the bar through the hole in each plug and lock with a padlock (not included).
    Keyed Lock—Keyed locks for closed-head drums fit over standard drum plugs and caps. Use the included keys to secure.
    Lock Type
    Material
    Seal
    Material
    For Pipe
    Size
    Thread
    Type
    Lock
    Included
    For Max. Shackle
    Dia.
    No. of
    Locks
    No. of Keys
    Included
    Each
    PadlockableBrassBuna-N
    3/4, 2
    NPT
    No5/16"00000000000000
    KeyedZinc3/4, 2
    Yes22000000000000
    back to top