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Plastic Hole Plugs

 (12 product groups)

Essentra Components stock a large selection of plastic hole plugs, commonly known as plastic bungs. Hole plugs protect internal threads, prevent ingress and can be resistant to corrosion, moisture, chemicals and dirt. Whether you require a plastic plug to fill holes, bolt hole plugs, or any other type of hole plug, our range features hole plugs in different colours, sizes and threads suitable for use across a large range of industries.

Plastic hole plug types and styles

Blanking Plugs - used to blank holes in the sheet metal industry to protect against dust and ingress during the manufacturing process.

Body Plugs - ideal for closing panel cavities and suit various hole diameters and panel thicknesses'.

Masking Flangeless Plugs - capable of withstanding high temperatures.

Side Pull Plugs - tapered type plugs where easy removal is guaranteed with the side pull tab.

Ezeplugs - easy installation thanks to the patented quick-fit design.

There are many more types and styles of plastic hole plug available in our range to suit multiple applications. 

Applications and Uses

Depending on your project needs, our plastic hole bungs are each specifically designed with your individual purposes in mind, so you will see our plastic hole bungs in use in processes such as pipe ends, masking & powder coating and where thread protection is required to name a few.

Materials

In addition to the various types of plastic such as nylon, PVC and LDPE, we stock our hole plugs in materials such as:

  • Silicone
  • Rubber
  • Steel

For more information about our quality range of hole plugs visit our Hole Plugs Explained guide, and for many other types of plastic caps and plugs, check out our Essentials Guide to Caps & Plugs.

List Grid

Banjo Union Plugs

Banjo Union Plugs are designed to protect banjo unions from damage, wear and tear, and dirt or moisture ingress. They provide a secure fit on banjo unions DIN 7642 B/E, forming a reliable sealing surface to prevent leaks.

Ideal for hydraulic and fluid systems, they are durable and can come with or without a cover tab. It can be used in applications in automotive or industrial machinery.

  • Material: LDPE
  • Colour: Natural


Series Code :SR1016

Blasting Plug

These Blasting Plugs are intended to mask blasting and wet paint applications. The inside pipe surface remains clean and is shielded from steel grit damage and impact.

When painting, it provides minimal shadowing and can endure high pressures, making it highly durable.

It incorporates a screwdriver slot for easy mounting and disassembly. It is resistant to temperatures ranging from -30C to +50C. It is commonly used in mechanical, construction, oil and gas, medicinal, and painting applications.

  • It has a slot for screwdrives with a M16X12 thread size.
  • Can endure hig pressures, and is durable.
  • Resistant to temperatures ranging from -30C to +50C.
Material: LDPE Colour: Red Series Code: SRF0013

DKO Side Release Plugs

These DKO Side Release Plugs protect DKO-compression fittings (24 nipples with O-Ring) during transit, storage, and processing from damage and contaminants. These plugs' sturdy structure ensures dependable performance even in harsh environments. The leak-proof seal and secure connection prevent fluid leakage or loss, reducing the danger of equipment damage, productivity loss, or safety issues.

The flexible end fits snugly into the DKO swivel nut, and the side pull tab allows easy removal. Commonly used to meet the needs of industries such as automotive, manufacturing, and machinery.

  • Material: LDPE
  • Colour: Red, Yellow


Series Code :SR1121

Ezeplugs

Ezeplugs are used to seal and secure threaded holes. They include a central or lateral pull tab that allows them to be easily inserted and removed from threaded holes. Several sizes are available to protect over 25 different imperial and metric thread sizes. It protects against damage, dirt, moisture, and corrosion during storage and shipping.

It is simple to install with the patented quick-fit design and locks the plug in place with a simple push. It also has a sturdy and flexible pull tab that makes removing it easy. Used in various applications, including industrial machinery, control panels, electrical panels, and other equipment.

  • Material: LDPE
  • Colour: Red


Series Code :SR1055

Masking Washer Plugs

These High Temperature Washer Plugs are used to mask the surface around a threaded or plain hole, with an integrated washer and plug that allows them to function as a single item. They are long-lasting and resistant to chemicals, temperature changes, and abrasion.

These plugs are simple to install and remove, and their design assures a snug fit, a secure seal, and the prevention of leakage or contamination. They can withstand high temperatures of up to 250 degrees Celsius and are used in various applications such as powder coating, painting, plating, sealing, automotive assembly, and electronics manufacturing.

  • Material: Silicone, EPDM
  • Colour: Grey, Natural, Black, Clear, White, Dark Green, Yellow, Pink, Purple, Red


Series Code :SR1065, SR1092, SR5753

NPT Thread Plugs

NPT thread plugs are used to seal and protect the ends of BSP/NPT threaded pipes and fittings. Their robust design allows them to withstand high pressure, temperature, corrosion, dirt, and damage during storage and shipment.

Additionally, their tapered form allows the component to plug numerous inner diameters, assuring a tight and leak-free fit. They are simple to install due to their push-fit mounting style and are used in plumbing pipes, HVAC, automotive, and industrial applications.

  • Material: LDPE
  • Colour: Blue


Series Code :SR1114

Ribbed Pipe-End Plugs

Ribbed Pipe End Plugs are designed to seal the ends of pipes and tubes securely. The straight wall on the outside diameter of the plug offers a solid friction fit with the inside diameter of the mating pipe, giving good protection against impurities entering the pipe.

They are offered in two designs, each with flexible ribs in varying sizes to accommodate a range of NPT and drill pipe schedules. Easy to install and remove due to their close fit.

The are ideal for mechanical and engineering applications in a wide range of industries.

  • Two designs, each with flexible ribs in varying sizes to accommodate a range of NPT and drill pipe schedules.
  • Designed to seal the ends of pipes and tubes securely.
  • Ideal for mechanical and engineering use.
Material: LDPE Colour: Black, Blue, Red Series Code: SRPAR, SR1069, SRILUPE, SR1171, SRILUH

Ribbed Tube End Plugs

These Ribbed Tube End Plugs are designed to establish a reliable and safe seal at the ends of tubes or pipes. The plugs' ribbed shape assures a snug fit and prevents leaking while providing added grip and stability. It is resistant to corrosion, wear, and external factors.

The ribbed shape ensures a solid grip, keeping the plug in place even under pressure or vibration. It keeps dust, dirt, and contaminants from entering. The ribs also keep the plug from spinning or becoming loose.

It is simple to install since it must be pushed into the hole until it is snug, with no further tools required. Used in automotive, electronics, medical devices, manufacturing, and industrial machinery.

Series Code :SR1604, SR1603

Side Pull Plugs

Side Pull Plugs are a type of plug that features an intergral side pull tab, and is designed for easy removal in awkward locations. Designed to protect threaded or non-threaded holes during production, storage, and transportation. Offers protection against dust, dirt, damage, moisture, acid, and corrosion.

The side pull tab is designed for quick and easy removal, and provides additional help when removing the part from a tightly fitted application. It can withstand temperatures from -40F to 275F (-40C to 135C).

Used in various applications, including machinery, electronics, automotive, and HVAC systems.

  • Protects against dust, dirt, damage, moisture, acid, and corrosion.
  • Withstands temperatures from -40F to 275F (-40C to 135C).
  • Tapered design allows the part to plug multiple inner diameters.
Material: LDPE, TPE Colour: Blue, Yellow, Natural Series Code: SR1110, SRSTCL2, SR1053

Side Release Plugs

Side Release Plugs are innovative sealing solutions designed to provide a secure and convenient closure for a wide range of applications. These plugs feature a unique side release mechanism that allows for quick and effortless insertion and removal, while ensuring a reliable and tight seal. Manufactured using high-quality materials such as durable plastics or rubber, Side Release Plugs offer excellent resistance to temperature, chemicals, and environmental factors. The versatile design of these plugs makes them suitable for various applications across different industries.

One of the main characteristics of Side Release Plugs is their user-friendly design. The side release mechanism enables easy insertion and removal, eliminating the need for additional tools or excessive force. This feature is particularly advantageous in applications that require frequent access or maintenance, such as in fluid containers or industrial machinery. Additionally, Side Release Plugs provide a secure and reliable seal, preventing leakage, contamination, or damage to the internal components. This makes them ideal for applications that demand protection against dust, moisture, or other external factors.

  • Material: LDPE
  • Colour: Natural


Series Code :SR1120

Threaded Plugs with Gasket

Threaded Plugs with Gaskets are intended to establish a tight and secure seal that prevents dust, dirt, or other undesired components from entering. The inclusion of a gasket (washer) seal improves sealing capabilities, adding an extra layer of protection against leaks and impurities.

Threaded Plugs are easy to install and remove from the application using a straight screwdriver, hex key or wrench. They can withstand temperatures from -30C up to +90C.

Frequently used in hydraulic and pneumatic systems, automotive, and general engineering sectors.

  • Provides a tight seal, preventing contaminants from entering.
  • Easy to install and remove using a straight screwdriver, hex key or wrench.
  • Can withstand temperatures from -30C up to +90C.
Material: LDPE, PA6, PA;TPE Colour: Red, Yellow, White Series Code: SRTFUGP, SRTFTG, SRF0012

Uniplugs

Uniplugs are innovative and highly versatile plugs designed to provide a secure and efficient sealing solution for a wide range of applications. These plugs offer exceptional performance, durability, and ease of use, making them an ideal choice for industries such as automotive, electronics, and manufacturing. With their unique characteristics and numerous benefits, Uniplugs are an essential component for sealing openings and protecting equipment.

One of the main characteristics of Uniplugs is their adaptability to various shapes and sizes. These plugs are made from high-quality materials like silicone or rubber, ensuring excellent flexibility and resistance to environmental factors such as temperature, chemicals, and UV radiation. With a wide range of sizes available, Uniplugs can effectively seal different openings, including holes, pipes, or tubes. They are designed with precision to provide a snug fit, preventing leaks, vibrations, and the entry of dust or moisture.

  • Material: LDPE
  • Colour: Natural, Red


Series Code :SR1039