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Silicone Push-Fit Hole Plugs

 (12 product groups)

Silicone push-fit hole plugs are used to seal off holes and provide protection from dust, moisture, or other unwanted particles. They are designed for a quick and easy installation process, with no additional tools required. Silicone is a good choice for these plugs because it is a flexible and durable material that can withstand high temperatures and harsh environments. 

Silicone push-fit hole plugs are also known for their ability to provide a tight and secure fit, preventing the plugs from falling out due to vibrations or movement. They are commonly used in various industries, including automotive, electronics, and manufacturing, to ensure that unused holes are sealed off, preventing any potential harm or damage to components.

Types of Silicone Push-Fit Hole Plugs

Choose from various types of silicone hole plugs in our range with various thread sizes and shapes on offer, with types including, but not limited to: 


Many more types and styles are available in this range depending on your application requirements. For more information about our range of Hole Plugs, visit our guide What are Hole Plugs over on our Knowledge Centre. 

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Blanking Plugs

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Blanking Plugs, also know as Blanking Caps or Hole Blanking Plugs, are used in the sheet metal industry. They provide protection against sharp edges, and are ideal for closing panel cavities. A handy hole plug, they protect against dust and other forms of ingress during the cleaning and manufacturing process.

Our range features rubber hole blanking plugs made from black Thermoplastic Rubber (TPR) or black Polyvinyl Chloride (PVC). Benefiting from acid resistance, these panel plugs are ideal for metal panels. The PVC version can withstand temperatures of up to 50C, and the TPR option can withstand temperatures ranging between -40C and 135C - making it a super versatile choice.

We also have a range plastic blanking plugs in black Ethylene-butylacrylate Copolymer (EBA) plug blanking options - suitable in applications where body plugs are required to protect against sharp edges. This plug can withstand temperatures from -30C up to a maximum of +50C. Perhaps browse our range of hole plugs made from clear copolyester - a strong thermoplastic resin that's highly popular. This blanking plug features a flat head that helps minimise distortion.

Blanking caps offer a clean finish and are and easy to use, quick solution. They large selection to suit hole diameter and panel thickness, so you are sure to find an option to suit your application needs.

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Body Plugs

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These Body plugs are great for closing panel cavities and firmly sealing apertures or holes such as sharp edges. They act as a protective barrier, preventing dust, dirt, moisture, and other contaminants from entering and potentially causing harm or compromising the enclosed space's integrity.

It has a clean finish and a tight and secure fit thanks to a push fit. They can tolerate temperatures ranging from -40C to 135C. Used in various applications, including automotive, industrial equipment, and machinery.

  • Material:TPR, Silicone, TPE
  • Colour: Black

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Covered Tapered Plugs

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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

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Domed Blanking Plugs

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These Domed Blanking Plugs are suitable for sealing panel cavities and are meant to seal off gaps in the sheet metal sector for equipment or machinery as a safeguard against sharp edges. They also act as a secure barrier, preventing dust, dirt, moisture, and other contaminants from entering.

When placed, the domed form gives a nice and clean finish and helps to deflect impacts, lowering the chance of damage to the plug or the equipment it is put in. They are corrosion-resistant and electrically insulating.

Simple to install as they are made to fit tightly into the opening they're sealing, ensuring a secure fit. They come in a large offering to suit hole diameter and panel thickness and are used in industries including manufacturing, automotive, construction, and electronics.

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Flanged Barrel Plugs

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These Flanged Barrel Plugs protect and seal openings or ports of tubes, pipes and other cylindrical openings. It features convex sides to ensure a more secure fit and prevent them from slipping out.

In addition, they prevent the ingress dust, dirt, and moisture into the equipment. It protects internal components from leaking and contaminations entering.

The plug is inserted into the opening or port, and the flange is pressed against the surrounding surface, creating a secure seal. The flange ensures the plug remains in place and prevents it from being accidentally dislodged. Used in various applications, including industrial, manufacturing, and automotive.

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High Temperature Tapered Plugs

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This range of high temperature masking plugs features Silicone Rubber Tapered Plugs, EPDM Tapered Plugs and other Tapered Rubber Plugs made from Thermoplastic Rubber (TPR).

This extensive range of Tapered Plugs is available as a solid plug or with a hollow core, to aid in compression. Solid and hollow core options are available in our EPDM and High Temperature Silicone Plugs ranges. The hollow centre provides a cost-effective solution for larger sizes. The hollow design is more flexible than solid plugs, and allows for easier application.

Our Tapered Rubber Plug range features Univesal Plugs made from TPR. The tapered plug is designed to mask holes without masking the surrounding areas, and a pull tab allows for easy installation and removal. Suitable for temperatures up to 125C.

  • Colours: Black, Blue, Green, Natural, Pink, Red and Yellow
  • Simple push-fit design

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Masking Flangeless Plugs

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Masking Flangeless Plugs are a type of plug that is used to cover holes without masking the surrounding area. They protect against contaminants, dust, dirt, damage, or undesired substances. It features conical rings and a hollow core, which allows many different areas to be masked.

Furthermore, the pull tab makes them simple to install and remove, allowing for smooth insertion and a snug fit that eliminates unwanted leaks or seepage. The reusable nature of the material used in these plugs allows for various uses, minimising the need for frequent replacements and helping to reduce waste. They can be utilised in multiple applications, such as powder coating, painting, plating, and sealing.

  • Material: EPDM, Silicone, TPE, PVC
  • Colour: Black, Natural, Blue, Green, Purple, Orange, Yellow, Pink, Red

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Masking Pull Plugs

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Masking Pull Plugs, also known as silicone masking plugs, are plugs used to mask threaded and non-threaded holes. They resist chemicals, dust, dirt, temperature changes, and abrasion. Furthermore, the pull tab simplifies installation and removal, allowing for smooth insertion and a secure fit that avoids undesired leaks or seepage.

The reusable material used in these plugs allows for various uses, reducing the need for frequent replacements and contributing to waste reduction. They can resist temperatures of up to 250 degrees Celsius and are used in various applications, including powder coating, sealing, automotive assembly, and electronics production.

  • Material: Silicone, EPDM, Silicone Rubber, TPR
  • Colour: Natural, Black, Clear, Red, Grey, White, Purple, Green, Pink, Orange, Yellow, Blue

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Masking Washer Plugs

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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

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Push-In Cable Blanking Plug

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These Push-in Cable Blanking Plugs are used to protect against sharp edges at the end of a pneumatic tube or hose and to offer waterproof protection for spare apertures to be closed. It keeps dust, dirt, and other impurities out and is highly resistant to corrosion and wear.

It is IP97-compliant and accommodates typical Metric and PG sizes. They give a clean finish and a rapid solution and are available in various sizes to accommodate hole diameter and panel thickness.

Simple to install and remove thanks to the push fit into the application. Suitable for a wide range of sheet metal industry applications, including electrical panels, control cabinets, and junction boxes.

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Snap-Fit Blanking Plugs

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Snap-Fit Blanking Plugs are used in various applications to seal and preserve unused holes or apertures. These plugs have been carefully developed to offer a secure and dependable seal without extra fasteners or adhesives.

The snap-fit mechanism provides a secure connection, preventing inadvertent removal or displacement even when subjected to pressure or vibration. It offers high impact resistance and keeps dust, moisture, and other pollutants out of the hole.

It is easy to install, requiring only a push or snap into place, without needing tools. Suitable for various sectors such as manufacturing, electronics, and construction.

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USB Dust Cover

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USB and RJ Dust Covers are used to protect USB and RJ ports while they are not in use. It prevents dust, dirt, debris, and moisture from entering electrical components.

The covers are simple to attach through push fit, and no tension is applied to the adapter's internal components while entering. It is resistant to temperatures of up to 150C | 302F. Used for applications including the technology industry and cover connectors from printers, scanners and other electronic devices with USB ports.

  • Material: Silicone Rubber, Plastic, EPDM
  • Colour: Black

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