Hammond Enclosure HP Hole Plugs

March 18, 2024

Hammond Enclosure HP Hole Plugs

Hole Plugs HP Series New Sizes

Hammond Enclosure Hole Plugs are a convenient accessory designed to seal unused push-button, conduit and knock-out holes – protecting against the intrusion of dust, oil, and water. They are available in steel, stainless steel, and polycarbonate materials, in standard and mini pushbutton sizes, as well as many other sizes – up to 5″ in diameter. They have availability in a selection of ratings – Type 1, 3, 3R, 4, 4X, 12 and 13, so you are sure to find one to fit your requirement. Their robust stock offering is backed by their extensive Distributor network, ensuring quick delivery.


  • Designed to seal unused push­button holes, conduit openings and knock­out holes against dust, oil and water.
  • Standard Pushbutton size is 30.5mm; Mini Pushbutton size is 22.5mm
  • Steel Hole Plug
    • Available in 12 sizes.
    • Finished in 2 color options – ANSI 61 gray or RAL7035 Light Gray
    • Oil resistant gasket.
    • Secured with an 10-24 x 0.55″ threaded stud and plated wing nut.
    • Recognized component UR & cUR
      • Type 1, 3, 3R, 4, 12 and 13
  • Stainless Steel Hole Plugs
    • Available in 8 sizes.
    • Finished in brushed natural 304 stainless steel finish.
    • Oil resistant gasket.
    • Secured with an 10-24 x 0.55″ threaded stud and plated wing nut.
    • Recognized component UR & cUR
      • Type 1, 3, 3R, 4, 4X, 12 and 13

More Information

Hole Plugs

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