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Round Plastic Non Threaded

 (41 product groups)

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Banjo Union Caps

A range of protective caps designed for Banjo Union connections. They provide external assembly cover during storage and transportation to protect the connection from the ingress of dirt. This range is available in a choice of two material options; Flexible Polyvinyl Chloride (PVC) and High-Density Polyethylene.

The Flexible PVC options offer a truly snug fit that offers optimum protection. The flexible material allows for quick fitting and removal, which is aided by a convenient finger tab.

The harder material of our HDPE options make application fast, by easily clicking the cap into place for a secure fit. Suitable for temperatures ranging from a minimum of -30 up to a maximum of +80 degrees celsius.

  • Materials: Flexible PVC and HDPE
  • Colours: Red and Yellow
  • Fits hydraulic Banjo Unions to DIN 7642 B/E


Series Code :SR1071, SRF0005

Bolt Protection Caps

Bolt Protection Caps conceal and protect bolt heads and nuts against weathering. Ideal for bolt heads, screw heads and nuts. They create an enhanced finished appearance and are a great choice for outdoor applications.

This range is supplied in a wide choice of sizes to suit multiple applications.These caps are available to fit over common Imperial UNF, Metric ISO 4017 or DIN 933 standard bolts.

Available in a variety of colours.

  • Protects joint fasteners against tampering and weathering.
  • Creates an enhanced finished appearance for your application.
  • Great choice for outdoor applications.
Material: LDPE Colour: Black, Green, Brown, Grey, White Series Code: SR1802, SRF0074

Cover Caps

Cover Caps are designed to protect screw heads and are ideal for decorative purposes. They snap into place, protects against dirt and moisture.

Easy to install, requiring no special tools or equipment. They can be installed by simply snapping them into place over the screws. Used in applications such as medical, and industrial.

  • Material: HDPE, PA, Brass, PP, LDPE
  • Colour: Yellow, Black, Silver, Brown, Natural, Grey, Beige, White, Green, Blue, Violet, Red, Pink


Series Code :SR1811, SR1889

Cross-Head Screw Caps

Cross Head Screw Caps are designed to conceal and protect exposed Crosshead (Phillips) head screws from dust and dirt. They offer a neat and tidy finish and can be easily installed by simply pressing them over the screw head until they click into place.

It helps prevent rusting, corrosion, and other forms of damage. Used on electrical enclosures, switchgear, and applications in industrial.

  • Material: LDPE
  • Colour: Black, White, Brown and Teak

Decorative Screw Covers

These Decorative Screw Covers are designed to conceal exposed screw heads and provide a more decorative and polished look. They are easy to install with adhesive backing and snap firmly over the screw head, providing a secure and long-lasting fit.

This group has a wide range of colours, up to 16 for furniture finishing. Used in applications like furniture, cabinets, office decor and even automotive decor.

  • Material: ABS
  • Colour: Aluminium, Wenge, Dark Oak, Pine, Walnut, Mahogany, Ash, Beech, Cherry, Grey, Black, Cream, Ivory, Light Oak, Grid, White


Series Code :SR1600

Driveshaft Protection Caps

Driveshaft Protection Caps are used for the protection and masking of driveshaft, and the surrounding bearings, from oil and an array of chemicals.

Available in a choice of materials; Low-Density Polyethylene (LDPE) and Flexible Polyvinyl Chloride (PVC). The PVC option also provides resistance to tearing and splitting.

Our range fits DIN 748, IEC 600-72 and ISO R775.

  • Materials: LDPE and Flexible PVC
  • Colour: Yellow
  • Series Code: SR1079

Easy Pull Masking Caps

Easy Pull Masking Caps provide optimum protection for end tip profiles, such as rods, pipes and tubes during manufacturing processes. Typical applications include; anodizing, blasting, powder coating, e-coating, plating and general paint lines.

This range has several style options, include a range with a flanged design and an internal seal that provides a secure fit or options that feature an ergonomic finger pull-tab for easier removal.

These caps are easy to fit; to ensure the best possible fit, the inside diameter dimension should be approximately 10 percent smaller than the outside diameter of the part being masked.

Our range is available in different material options with various beneficial properties. Silicone is a premium masking material with high temperature and chemical resistance. EPDM is a more economical material option with lower heat resistance. Both Silicone and EPDM options can be used multiple times. Whereas, Soft PVC is a more economical solution also with chemical resistance, a reduced heat resistance and is for one-time uses.

  • Materials: Silicone Rubber 600F (316C) EPDM 425F (218C) and Soft Polyvinyle Chloride (PVC) 425F (218C)
  • Colours: Natural, Black and Yellow
  • Hardness: Durometer (Shore A) 55 + 5 and 85 +/–2


Series Code :SR1096, SR6119, SR5755, SR1066

End Tips

End Tips are a versatile cap with a multitude of uses. They are ideal for product presentations due to their neat and tidy appearance. They also offer product protection, preventing damage and the ingress of dirt.

The range is provided in a choice flexible and hard-wearing materials, making these caps a durable solution for your project requirements. Quick and easy to install, with a simple push fit design.

  • Materials: Polyvinyl Chloride (PVC) and Thermoplastic Elastomer (TPE)
  • Finish Options: Gloss and Matt
  • Colours: Black and White
  • RoHS Compliant.


Series Code :SR1506, SR1500, SR1501

Expandable Masking Covers

Expandable Masking Covers are an ideal alternative to a more conventional cap when the part to cover has an awkward shape. The Masking Covers are expandable by stretching with an elasticated end or by stretching through the elasticity of the material. The elasticated cap makes it a looser hold and therefore is best for a general protection during transport and storage or light masking requirement.

The stretched material cap has a stronger hold on the part by gripping and therefore is best for application putting pressure on the part. Their softening point is at 90 degrees Celsius and they can be used up to 100 degrees Celsius.

  • Material: LDPE, Silicone
  • Colour: Blue, Red, White, Clear


Series Code :SR1097, SRF0019

Fence Post Cap

Fence post cap is a protective cover designed to fit over the top of a fence post, pipes, and tubes. It heps protect from weather damage (rain, snow, and UV rays), dirt, moisture or deterioration of the application.

Additionally, it can provide pipes and tubes a decorative touch. It is easy and quick to install by push in, used in residential as well as commercial industries.

  • Material: PE
  • Colour: White


Series Code :SRF0011

Finned Stud Caps

Finned Stud Caps are used to protect a wide range of studs. The internal fins provide a stronghold and are flexible to be suitable for various diameters with the use of one part. The range comes with a grip to ease the removal of the part and without a grip.

It prevents studs from rusting or corroding and protects them from abrasion. They are easy to install and remove. It is used in manufacturing, railings, fences, furniture and other applications.

  • Material: LDPE
  • Colour: Natural

Flanged Caps

Flanged Caps are designed for easy assembly and removal, either with automated equipment or by hand. Typically used to protect metric or imperial threads, with or without O-Rings. The larger flange allows for faster application and removal when using it by hand.

For the purpose of quality control; the natural coloured caps allow you to see through the cap and check whether the O-ring is installed, or not installed, on the protected fitting.

Provides a snug and secure fit.

  • Designed to cover and protect threads.
  • Protects from damage, dirt, and moisture.
  • Used in the automotive and engineering industries.
Material: Silicone, LDPE, TPE, TPR Colour: Grey, Natural, Yellow, Clear, Pink, Red, Black Series Code: SR5754, SR1024, SRCTLTPE, SR1116, SR1124, SR1025, SR1026

Flexible End Caps - Acid Resistance

Flexible End Caps are made from a flexible material that is able to stretch on to larger diameters for a snug fit. They provide protection to threads and non-threaded ends.

The cap features a hanging tab, which allows them to be used with wire hooks. They are an ideal solution for low temperature masking applications.

The caps also benefit from acid resistant material.

  • Can stretch on to larger diameters for a snug fit.
  • Provides protection to threads and non-threaded tips.
  • Features a hanging tab for use with wire hooks.
Material: TPEColour: BlackMaterial Flammability Standard: Series Code: SR1021

Flexible Pipe Caps

Rotational Moulded Cap protects threaded pipe ends. Due to its softer material it allows for easier fitting on pipes. These caps have outstanding toughness and are puncture resistant with good flexibility which makes assembly or removal easier.

They are used to fit different pipe and tubing configurations, and they can be used in applications such as automotive, HVAC, construction, and industrial equipment. These caps provide protection from dust, dirt, and moisture.

  • Material: PE, LDPE
  • Colour: Yellow, White, Black


Series Code :SR1388

Grease Nipple Caps

Grease Nipple Caps are designed to protect grease nipples from dust, moisture, dirt, and other contaminants. Our range offers a selection of caps with a tab, or without a tab, to make it easier to remove. The design of the cap provides a choice of knurled or non-knurled heads for easy gripping. These grease nipple caps can also be used as a visual indicator of whether the fitting has been lubricated.

These are an economical solution that is quick and easy to install and remove.

Used in fluid transmission applications that have grease nipples.

  • Designed to protect from dust, moisture, dirt, and other contaminants.
  • Quick and easy to install and remove.
  • Suitable for use in machinery, equipment, vehicles or any application that uses grease nipples.
Material: TPE, LDPEColour: Black, Red, YellowMaterial Flammability Standard: Series Code: SRPITPE, SRPI, SR1019

Heat Shrink End Caps

Heat Shrink End Cap is an electrical component ideal for sealing or insulating and protecting threaded or unthreaded pipes, tubes and rods. Used to provide protection against dirt, debris, moisture, dust and UV radiation. It is designed with a thick adhesive inner liner wall.

These caps shrink when heated, offering maximum protection for the application. They can operate at temperatures between -55C and +110C and are easy to install and remove.

  • Material: PO
  • Colour: Black
  • Series Code: SR1180

Heavy Duty Pipe Caps

Heavy Duty Pipe Caps are used to protect the end of a pipe from dust, dirt, and other impurities. They are appropriate for nominal pipe sizes and provide a low-cost, high-quality choice. Internal ribs ensure a snug fit and release after pressure is applied. The caps come with or without a vent hole.

Used to keep small pipes safe during transportation and storage. It is also simple to install and remove, thanks to the press fit design. Temperature resistance ranges from 66C to -40C. Used in plumbing, heating, ventilation, and industrial applications.

  • Material: PE
  • Colour: Black, Yellow


Series Code :SR1389

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

Non-Threaded End Caps

Non-Threaded End Caps are ideal to securely protect non-threaded or threaded tubing, pipe or rods. Keeps out dirt, debris, and other contaminants. Has some abrasion resistance, which keeps the mating part safe during storage and shipping. Can also be used for masks in painting, plating or sand blasting applications.

Quick and easy to install and remove.

Can be used for plumbing, HVAC, and industrial applications.

  • Securely protects threaded or non-threaded tubing, pipes, and rods.
  • Quick and easy to install and remove.
  • Used for plumbing, HVAC, and industrial applications.
Material: PE, PP, LDPE Colour: Yellow, Black, Grey, Natural, Blue Series Code: SRF0023, SR1062

O-Ring Face Seal Caps

Our range of O-Ring Face Seal Caps are designed to protect O-Ring face seal connectors that are used on hydraulic connections.

The cap design features a longer overall length for added protection from the ingress of dirt and other contaminants. They also include a moulded retaining ring at the bottom that snaps under the connector to keep it securely in place during transit and processing.

Our range is suitable for both UNF and JIC thread sizes.

  • Designed for the protection of O-Ring face seal connectors used on hydraulic connections.
  • Features a longer overall length for added protection.
  • Suitable for UNF and JIC threads.
Material: LDPE Colour: Black, Blue Series Code: SRCFST, SR1078

Pozidrive Screw Caps

These Pozidriv Screw Caps are designed to cover Pozidriv (Phillips or Crosshead) screws, providing a seamless and finished look. They offer a simple and quick installation by push-in.

These screw caps are designed to fit snugly over the screw head, providing a secure and tight seal that prevents dust, dirt, and other debris from entering the assembly. They also protect the screw head from damage and corrosion. Ideal for use in applications such as furniture, appliances and electrical.

  • Material: LDPE
  • Colour: Black, Brown, Grey, White

Pull Tab Caps

Pull Tab Caps are designed to protect applications from contamination and spillages. The pull tab design provides more surface contact area, requiring less gripping force during installation and removal.

The tabs are particularly usefull in applications requiring fast removal during mechanical process and for this reason are a popular choice across various industries.

The flexibility of the materials used allows for a tight fit on to applications. The addition of the tab makes them an essential selection.

  • Designed to protect from contamination and spillages.
  • Flexible design means it can strech on to slightly larger dimensions for a snug fit.
  • Used in the food industry, industrial applications, or storage applications.
Material: LDPE, EVA, PVC Colour: Yellow, Black, Red Series Code: SRQCF, SR6110, SR1066

Push-In Plugs

Push-in Plugs are a practical choice for blanking a wide range of holes or bores during manufacturing processes or transportation, and can be applied to finished products. Designed to shield the handler from rough surfaces caused by sharply cut hole edges. The varied styles available in our range can also be used to protect against ingress of contaminants.

They are simple to install and uninstall with a single push. Used in various applications, including medical, automotive, food and beverage, and industrial machinery.

Protects against damage, dirt, moisture, and corrosion.

  • Shields the handler from rough surfaces caused by sharply cut hole edges.
  • Used in various applications, including medical, automotive, food and beverage, and industrial machinery.
  • Protects against damage, dirt, moisture, and corrosion.
Material: LDPE Colour: Natural, White, Black Series Code: SR1011

Quick Release Caps

A Quick Release Cap used in hydraulic applications. The female fitting is suitable to protect quick release couplings ISO 7241-1 Series A and B.

The cap is designed to remain attached to the hose. It offers superior protection from the ingress of dirt and moisture, and resistance to corrosion.

  • Material: Thermoplastic Elastomer (TPE)
  • Colours: Blue, Green, Red and Yellow
  • Temperature Range: -40F up to 275F (-40C up to 135C)


Series Code :SR1181

Recessed Pipe Caps

Recessed Caps help protect pipe bevel edges and internal walls from corrosion and damage. They are able to accept crane hooks for the moving of pipes during storage, transit and laying.

Our range is available in a choice of two materials. The Low-Density Polyethylene (LDPE) option in Black is suitable for heavy duty applications. It is resistant to temperatures ranging from -30 up to +60 degrees Celsius. The Polyethylene (PE) option in Yellow is highly flexible. The soft material provides easy fitting for larger pipe sizes.

  • Suitable for a range of DIN Pipe Specifications: from DN 150 up to DN 1000.
  • Materials: Low-Density Polyethylene (LDPE) and Polyethylene (PE)
  • Colours: Black and Yellow


Series Code :SR1370, SR1371

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