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High Temperature Masking Plugs

 (10 product groups)

Essentra Components UK's high temperature masking plugs are the perfect solution for protecting threaded and non-threaded holes from high-temperature coatings and finishing processes. Our plugs are designed to withstand extreme temperatures up to 316°C, making them ideal for a range of high-temperature industrial applications.

What are the benefits of choosing our high temp plugs? 

  • Reliable and effective protection: Our high temperature masking plugs provide reliable and effective protection for critical surfaces during high-temperature processes, such as powder coating, painting, and anodizing.
  • Easy to use: Our plugs are designed for easy installation and removal, without the need for any special tools or equipment. They come in various shapes and sizes to fit different applications.
  • High-temperature resistance: Our high temperature masking plugs can withstand temperatures up to 316°C, while also remaining durable and flexible.

Materials in which our high temp plugs are offered include - silicone, TPE, EPDM and PVC

Applications & Industries:

Our plugs are suitable for a wide range of industries, including automotive, aerospace, and electronics, as well as general manufacturing processes.

  • Automotive: Our high temperature masking plugs are used extensively in the automotive industry for protecting engine components during high temperature coatings.
  • Aerospace: Our plugs are also popular in the aerospace industry, where they are used to protect critical components during high-temperature finishing processes.
  • Electronics: Our high temperature masking plugs are ideal for use in the electronics industry, where they can be used to protect connectors and other sensitive components during high-temperature soldering and coating processes.

We pride ourselves on providing high-quality, reliable, and effective solutions for our customers' masking and protection needs. So browse our range of high temperature masking solutions today to find the perfect solution for your application.

List Grid

Masked Eye Bolts

Masked Eye Bolts have a loop on one end, and are commonly used with hooks or other hanging systems. Used as a hanging solution for powder coating and painting. The tapered silicone provides a tight seal to the component, while a threaded insert secures the item.

  • An Eye Bolt is a type of bolt with a loop at one end and is typically used with a hook or other hanging systems. They are commonly used as a hanging solution during powder coating, painting, shot blasting and other surface treatment processes.
  • Silicone coating will protect the eye bolt during use, and extend its life cycle.
  • A highly economical and sustainable choice.
Material: Silicone Colour: Brown, Red, Purple, Green, White, Yellow, Orange, Transparent, Pink Series Code: SRF0062

Masking Flangeless Plugs

Masking Flangeless Plugs are designed to cover holes without masking the surrounding area, protecting against contaminants. Featuring conical rings and a hollow core, these plugs can mask multiple areas at once.

  • Used to cover holes without masking the surrounding area.
  • The pull tab makes them simple to install and remove, allowing for smooth insertion and a snug fit that eliminates unwanted leaks or seepage.
  • Used 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 Series Code: SR1090, SR1093, SR5748, SR1034

Masking Weld Nuts

Masking Weld Nuts are designed to cover and protect threaded and unthreaded weld nuts. It has a pull-tab and teeth that hold the thread. Can endure temperatures as high as +250C.

  • Weld Nuts have a thread, and it is vital that this thread avoids getting powder coating or surface treatment on it. Our Masking Pull-Plug range is specially designed for masking non threaded or threaded through holes, and is ideally suited for the masking of Weld Nuts.
  • Pull-tab allows for quick and easy removal.
  • Plug body has teeth that grip a thread; this ensures a positive fit that will keep the masking assembly secure.
Material: Silicone Colour: Red, Blue, Yellow, Black Series Code: SRF0061

Masking Pull Plugs

Masking pull plugs are used to mask threaded and non-threaded holes, offering resistance to chemicals. The pull tab makes them easy to install and remove, ensuring a secure fit that prevents leaks or seepage. The reusable material allows for multiple uses, reducing the need for frequent replacements and helping minimize waste. Cn withstand temperatures of up to 250C.

  • Used to mask threaded and non-threaded holes.
  • The pull tab simplifies installation and removal, allowing for smooth insertion and a secure fit.
  • Used in powder coating, sealing, automotive assembly, and electronics production.
Material: EPDM, Silicone, Silicone Rubber Colour: Black, Clear, Natural, Red, Grey, White, Purple, Green, Pink, Orange, Yellow, Blue Series Code: SR1094, SR1057, SR6118, SR6117, SRF0060, SR5750, SR5749, SR5752, SR1028

Silicone Coated Grub Screws

A Grub Screw is a screw fastening solution commonly used for joining one component securely to another. They have a unique design that allows them to facilitate secure gripping or joining without using a nut; this differs from a standard bolt and screw assembly. The grub screw is fully threaded and can be driven into existing tapped and socket holes, avoiding any need to create new holes.

Our range is made from Mild Steel with a Silicone coating - making them ideal for masking applications. They are particularly suitable for aggressive shot blasting and high temperature powder coating applications. What's more; these Grub Screws can be securely fixed and are easily applied or removed with the use use of an Allen Key (not included).

  • Material: Mild Steel with Silicone coating
  • Colours: Black, Blue, Red and Yellow
  • Maximum Operating Temperature: 250C

Covered Tapered Plugs

Covered Tapered Plugs have convex edges that guarantee a secure fit. Features a push-fit design that makes it simple to use and remove. Used for pipes, blind holes and furniture.

  • Designed to ensure a secure fit due to their convex sides.
  • It protects against contaminants, debris, and damage.
  • Reusable due to the material and without affecting the effectiveness of the sealing.
Material: Silicone Colour: Grey, Yellow, Green, White, Red, Black, Pink, Purple, Blue, Clear Series Code: SR5751

High Temperature Tapered Plugs

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

Masking Cones

Masking Cones can be used as plugs or caps. The tapered form allows them to fit a variety of inner and outer diameters. Can be secured with paint hooks. Available in Silicone and EPDM.

  • Versatile masking solution that can be used as a cap or plug.
  • Tapered design.
  • Premium and economical material options.
Material: Silicone, EPDM Colour: Purple, Red, Natural, Rust, Black, Blue, Green, Brown, Yellow Series Code: SR1075, SR1091

Flexiplugs - High Temperature

High Temperature Flexiplugs are used to hold screws and nails in both threaded and plain holes. Resists splitting and contamination. Used in automotive and manufacturing sectors.

  • Metric and UNF thread sizes are supported.
  • Give a firm grasp, resist breakage and tearing and are good protection against damage, dirt, moisture, and corrosion during storage and transportation.
  • Commonly used in construction, electrical, and industrial equipment.
Material: PVC Colour: Yellow, Black Series Code: SR1070

Paper Masking Plugs

Paper Masking Plugs are designed to seal off openings during painting, coating or surface treatment processes. Made from high-quality paper, they offer excellent flexibility and durability. The are resistant to chemicals. Ideal for use on metal, plastic, glass and wood surfaces.

  • Designed to protect and seal off openings during painting, coating, or surface treatment processes.
  • Allows for easy insertion and removal, ensuring a tight and secure fit in a wide range of hole sizes and shapes.
Material: Crepe Paper Colour: Brown Series Code: SR6113