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  • HEYCO® Heat Stabilized Nylon Dome Hole Plugs

    HEYCO® Heat Stabilized Nylon Dome Hole Plugs are molded from a Halogen-free, non-toxic nylon material which will not burn or produce toxic gases in the event of a fire. They are UV resistant, and self-extinguishing. Their convex, matte finish head tapers to a thin edge, and they are used to close unneeded panel holes.

  • HEYCO® Liquid Tight Break-Thru Plugs

    Liquid Tight Break-Thru Plugs come in six sizes in the standard black color. These co-molded nylon and elastomer parts provide liquid tight closure when used as a plug. When pierced, Liquid Tight Break-Thru Plugs function as a liquid tight bushing that converts raw edged holes to smooth, neat, insulated holes. They mechanically protect electrical and telecommunications cables, tubing, hoses, ropes and utility lines.

  • HEYCO® Liquid Tight Threaded Hole Plugs

    Liquid Tight Threaded Plugs seal openings and protect against contamination. They provide a good fit for hydraulic and pneumatic applications.

  • HEYCO® Nylon Knockout Seals for Thicker Panels

    Nylon Knockout Seals for Thicker Panels plug electrical knockouts. They are molded in gray color to resemble galvanized steel, and come in 6 trade sizes fit 1/2" to 2" knockout holes for panels up to 1/4" thick.

  • HEYCO® Nylon Threaded Hole Plugs with Slotted Heads

    These nylon Threaded Hole Plugs with Slotted Heads can be driven with a flat-head screwdriver making them easy to install and remove.

  • HEYCO® PG-Equivalent Liquid Tight Snap-In Grommets

    HEYCO® PG-Equivalent Liquid Tight Snap-In Grommets / Bushings can be used in PG threaded and unthreaded holes to provide light strain relief to cables. They can also be used as a liquid tight plug. These grommets are made from Neoprene and are ozone and weather resistant. These Grommets / Bushings are available in sizes to fit cable diameters ranging from 0.120in (3.00mm) up to 1.380in (35.00mm).

  • HEYCO® Pry-Out Nylon Dome Hole Plugs

    HEYCO® Pry-Out Nylon Dome Plugs are available in multiple sizes for use in 1/4" (6.4mm) to 2" (58.0mm) diameter holes for panel thicknesses up to 0.250" (6.4mm). Holds securely in chassis up to 1/4" (6.4mm) thick.

  • HEYCO® Standard 85 Durometer Liquid Tight Hole Plugs

    HEYCO® Standard 85 Durometer Liquid Tight Hole Plugs are oil tight, rain tight and submersible. They are available in 7 trade sizes to fit 1/2" to 1.375" mounting holes.

  • HEYCO® Transparent Plastic Dome Hole Plugs

    Our Transparent Plastic Dome Plugs are molded of transparent ABS or crystal clear Lexan, making them perfect for applications requiring visibility into the chassis.

  • Nylon Vent Plugs

    Nylon Vent Plugs permit the passage of air for ventilation and heat dissipation. They are available in sixteen sizes for use in 1/2" (12.70 mm) to 4" (101.60 mm) diameter holes.

Product Catalog