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Hex Plugs

  • Stainless Steel Threaded Hex Pipe Plugs
  • Hex Head Plug x Male Thread
  • In stock
    Threaded Hex Plugs
    More Information
    Part NumberHexagon Plug
    MaterialStainless Steel
    Size1/4" to 2"
    Working PressureClass 150# Fittings
    SealPlug End
    ThreadMale NPT
    Grouped product items
    Product Name SizePrice Qty
    HP025-304 1/4" Hex Plug (SS 304)
    HP025-316 1/4" Hex Plug (SS 316)
    HP0375-304 3/8" Hex Plug (SS 304)
    HP0375-316 3/8" Hex Plug (SS 316)
    HP050-304 1/2" Hex Plug (SS 304)
    HP050-316 1/2" Hex Plug (SS 316)
    HP075-304 3/4" Hex Plug (SS 304)
    HP075-316 3/4" Hex Plug (SS 316)
    HP100-304 1" NPT Pipe Plug (Hex Head)
    HP100-316 1" Hex Plug (SS 316)
    HP125-304 1-1/4" Hex Plug (SS 304)
    HP125-316 1-1/4 hex plug (SS 316)
    HP150-304 1-1/2" Hex Plug (SS 304)
    HP150-316 1-1/2" Hex Plug (SS 316)
    HP200-304 2" Hex Plug (SS 304)
    HP200-316 2" Hex Plug (SS 316)

     CLICK HERE for all Threaded Fittings


    • Description:
    • ● A Hex Pipe Plug has a male pipe thread on one end and a closed off hexagon shaped plug at the other end.
    • ● It differs from a Square Head Plug only in that it has a larger hex shape head instead of a square head.
    • Uses:
    • ● Hex Head Plugs are an economical solution to closing off a female thread pipe connection.
    • ● The hex nut portion on these threaded pipe plugs allows for easy tightening and loosening.
    • ● Often used as a easy and effective way to plug a pipe or fitting.
    • Used to stop the flow of fluid or seal off a fitting opening.
    • Advantages:
    • ● The biggest advantage of a hexagon plug is it is easier to tighten and loosen.
    • Due to the larger surface are of the hex nut, more torque can be applied with a wrench.
    • Installation:
    • Thread the external male NPT threads into a female NPT thread, to seal off and close a fitting.
    • Size Classification:
    • ● These stainless steel pipe plugs are classified according to the size of the female thread they will seal.
    • ● For Example: a 1/2" NPT pipe plug will screw into and seal a 1/2" internal female pipe thread.
    • Also Known as a:
    • Threaded Plug.
    • NPT Pipe Plug.
    • Hexagon Plug.
    • Alternate Options:
    • An alternative are Square Head Plugs which are also threaded pipe plugs with a square head instead of a hex shaped head.
    • ● Scroll down "Related Products" for more male threaded plug options.
    • A slightly different alternative are Threaded Pipe Caps which are Female threaded pipe caps for closing off male NPT threaded pipe ends.
    • ● Scroll down "Upsell Products" for more female threaded cap options.
    • Materials:
    • These Pipe Thread Plugs are manufactured from Stainless Steel 304 & 316.


    More information:

    Hexagon plugs are threaded pipe fittings widely used in plumbing and mechanical systems, designed to plug and securely seal female threaded openings. These threaded hexagon head plugs are designed with external (Male) threads on the outer surface and a hexagonal head, which allows for easy installation and removal using a wrench or a socket tool. The hexagonal shape provides a convenient grip for tightening and loosening. Threaded hex stainless steel plugs are widely used in various industries, offering a versatile solution for closing off unused openings or facilitating maintenance procedures. Whether in residential plumbing projects or industrial machinery, NPT plugs provide a reliable and robust sealing solution. These NPT Pipe Plugs are manufactured out of stainless steel 304 and 316, making them durable and corrosion resistant. 



    More Information
    Part NumberHexagon Plug
    MaterialStainless Steel
    Size1/4" to 2"
    Working PressureClass 150# Fittings
    SealPlug End
    ThreadMale NPT
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