McMaster-Carr logo
    Filter by
    Pipe Size
    Industrial Info Compare
    Closing Ring Type
    For Use With
    Lock Included
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    DFARS Specialty Metals
    Body Material
    Maximum Shackle Diameter
    Screen Material
    Industrial Info Compare
    Removes Particle Size Down To
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    19 Products

    Drum Locks

    For Open-Head Drums
    Image of ProductInUse. Front orientation. Drum Locks. For Open-Head Drums.
    Locks for open-head drums replace the standard 5/8"-11 bolt on the closing ring and lock with a padlock (not included).
    Lock Type
    For Closing
    Ring Type
    Material
    Thread
    Size
    Lock
    Included
    For Max. Shackle
    Dia.
    Each
    PadlockableNut and BoltBrass5/8"-11
    No5/16"1900A42000000
    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"1900A430000000
    KeyedZinc Alloy3/4, 2
    Yes221900A1100000

    Drum Locking Rings for Steel and Stainless Steel Drums

    Image of Product. Front orientation. Drum Locking Rings. Nut-and-Bolt Closing Ring.
    Image of Product. Front orientation. Drum Locking Rings. Leverlock Closing Ring.

    Nut-and-Bolt Closing Ring

    Leverlock Closing Ring

    For Drum Cap.,
    gal.
    Closing Ring
    Material
    Each
    Nut-and-Bolt Closing Ring
    110, 65Steel4115T151000000
    55Steel4115T9200000
    30, 20Steel4115T8200000
    16, 10Steel4115T83300000
     
    Leverlock Closing Ring
    55Steel4482T9400000
    30, 20Steel4115T7900000
    16, 10Steel4482T9200000
     

    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"4906K21000000
    2 NPTFemale3 1/8"1 3/8"PadlockableNo5/16"4906K2300000
    3 NPTFemale4 1/2"2"PadlockableNo1/2"4906K2700000
    4 NPTFemale5 1/4"2 1/4"PadlockableNo1/2"4906K29000000
     

    Lockable Breather Vents with Cap

    Secure access to vented openings in pipe and tanks—the cap can be locked to prevent tampering. These breather vents allow you to add a filling port to your hydraulic tank while protecting against excess pressure and vacuum. Use them to stop debris from entering your tank. Breather vents mount on top of standard tank openings with included hardware. Padlock is not included.
    Flange Mount
    Image of Product. Steel with 304 Stainless Steel Screen. Front orientation. Breather Vents. Lockable Breather Vents with Cap, Flange Mount.
    Image of Product. Steel with Nylon Plastic Screen. Front orientation. Breather Vents. Lockable Breather Vents with Cap, Flange Mount, Nylon Screen.

    Steel with 304

    Stainless Steel

    Screen

    Steel with

    Nylon Plastic

    Screen

    For Opening
    Dia.
    Max.
    Pressure
    Ht.
    For Use
    With
    Cap
    Material
    Screen Material
    No. of Bolt
    Holes
    Bolts
    Included
    Removes Particle
    Size Down To, μm
    For Max. Padlock
    Shackle Dia.
    Each
    Steel Body
    2 1/8"Not Rated5 1/8"Air, OilSteel304 Stainless Steel
    6Yes103/8"3853N13000000
    2 1/8"Not Rated5 1/8"Air, OilSteel304 Stainless Steel
    6Yes403/8"4473K4500000
    2 1/8"Not Rated6 1/8"Air, OilSteelNylon
    6Yes103/8"3853N1200000
    2 1/8"Not Rated6 1/8"Air, OilSteelNylon
    6Yes403/8"3853N1100000
     
    Threaded NPT Male
    Image of Product. Bottom orientation. Breather Vents. Lockable Breather Vents with Cap, Threaded NPT Male, Aluminum Body.

    Aluminum Body

    Pipe
    Size
    Max.
    Pressure
    Max. Temp.,
    ° F
    Ht.
    Dia.
    For Use With
    Cap
    Material
    Screen
    Material
    For Max. Padlock
    Shackle Dia.
    Each
    Aluminum Body and Fitting
    2
    Not Rated2004 1/2"5 5/8"Air, Oil, WaterAluminum
    Stainless Steel
    3/8"4906K11000000
     
    back to top