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Hole Plugs

 (17 product groups)

What is a hole plug?

A hole plug is a device that is used to seal or to fill holes in order to prevent ingress and any liquids or gases from escaping or to keep out dirt and moisture, and to also protect internal threads. They are a durable yet cost-effective component used across many industries. Easy removal and their corrosion-resistant properties are just some of the benefits of choosing to use them in your applications.

Our range features various types and styles including tapered plugs, barrel plugs, rubber stoppers, hole blanking plugs, flexible plugs and threaded sealing plugs to name a few.

Materials

Our range is stocked full of plugs manufactured from materials such as:

Rubber - including silicone rubber plugs.

Plastic - including EPDM stoppers, LDPE, PVC, nylon and many more.

Applications & Processes

Hole plugs are used in various applications and processes - even those that require high temperatures. Below are just some of the examples of where they are used:

  • Pipe end protection
  • Masking & Powder coating processes
  • Hydraulic applications
  • Thread Protection
  • Sealing & Finishing

Thread Options

Thread choice need not be a concern as we stock plugs in the following; BSP, Metric, NPT, SAE, UNC, UNF and UNJS threads. Shape options are large too with domed plugs, flat plugs, and round and rectangular on offer. This is one of our largest ranges of plugs and we allow free samples on every option giving you the confidence you have made the right choice.

Our range is jam-packed full of various sizes including hole sizes to choose from. We also offer tapered plugs, pull plugs, body plugs, and snap fit plugs and masking plugs to suit your applications.

Each plug brings its own unique set of characteristics, so we have put together this handy guide to help you make the right decision when choosing hole plugs - check out Hole Plugs Explained for more information.

List Grid

Covered Tapered Plugs

Covered Tapered Plugs are designed to ensure a secure fit due to their convex sides and protect from contaminants, debris and damage. It features a push fit style that makes it easy to use and remove.

Used in a variety of applications, including blind holes, pipes, furniture or electrical boxes. They are reusable due to the material from which they are constructed without affecting the effectiveness of the sealing.

  • Material: Silicone
  • Colour: Grey, Yellow, Green, White, Red, Black, Pink, Purple, Blue, Clear


Series Code :SR5751

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

Centre Pull Tab Hose Plug

Centre Pull Tab Hose Plugs are designed to plug and seal hose ends. They have ribs that ensure a tight fit when plugging hydraulic lines without straining them. It features a high tensile strength, toughness, and flexibility.

The internal, centrally located pull tab enables simple plug insertion and removal, making it a hassle-free alternative. Furthermore, the tapered form allows for the plugging of numerous interior diameters. The plugs snug fit and secure seal effectively prevents dust, dirt, and other impurities from entering the hose. This helps protect internal components, guaranteeing optimal performance.

Commonly used for construction, automotive, and agricultural applications.

  • Features a high tensile strength, toughness, and flexibility.
  • Features ribs that ensure a tight fit when plugging hydraulic lines without straining them.
  • The tapered form allows for the plugging of numerous interior diameters.
Material: EVA Colour: Yellow Series Code: SR6111

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

Flexiplugs

Flexiplugs are used to secure screws and nails in threaded and plain holes in plasterboard, plaster and other soft materials. They give a firm grasp, resist breakage and tearing and are good protection against damage, dirt, moisture, and corrosion during storage and transportation.

Due to its lightweight, pre-formed, and pre-drilled design, it is simple to install and remove by gently hand threading. Metric and UNF thread sizes are supported. Commonly used in construction, electrical, and industrial equipment.

  • Material: PVC
  • Colour: Yellow, Black
  • Series Code: SR1070

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

Paper Masking Plugs

Paper masking plugs are versatile and efficient masking solutions designed to protect and seal off openings during painting, coating, or surface treatment processes. These plugs are made from high-quality paper material, known for its excellent conformability and ability to withstand various chemical substances. The unique design of paper masking plugs allows for easy insertion and removal, ensuring a tight and secure fit in a wide range of hole sizes and shapes. They effectively prevent paint, primer, or other coatings from entering or contaminating areas that need to remain untouched.

The main characteristics of paper masking plugs include their flexibility, durability, and compatibility with different surfaces. These plugs are highly flexible, allowing them to conform to irregular shapes and contours. The paper material used in their construction ensures durability, even when exposed to harsh chemicals or solvents. The plugs' versatility allows them to be used on a variety of surfaces, including metal, plastic, glass, and wood.

  • Material: Crepe Paper
  • Colour: Brown


Series Code :SR6113

Pipe Bevel Edge Protectors and Plugs

Pipe Bevel Edge Protectors are essential to secure the pipe plug during handling, shipping, and storage. They are designed to fit firmly over the end of pipes ranging in size from 8"" to 120"", providing a safe and effective barrier against moisture, dirt, and other possible hazards.

It is simple to install by simply pounding the clamping system down. The clamping system will extend and press the protection against the inside of the pipe. Bevel protectors and pipe plugs are available in diameters ranging from 8"" to 64"" for maximum protection and pipe closure. Used in applications for oil and gas drilling rigs, construction sites, warehouses and factories.



Series Code :SR1360

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