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Female Threaded Insert Non Threaded

 (70 product groups)

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Ball Knobs

Ball Knobs come in a wide selection of diameters and molded-in inserts. The applications and industries cover lawn mowers, exercise equipment, machinery, valves, spigots, levers and many more. Ball knobs are an esthetic and ergonomic option for controlling, clamping and shifting operations.

Series Code :SR1535

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

Centre Pull Plugs

The Centre Pull Plug easily plugs into a threaded or non-threaded hole. Due to the tapered design, is can be used to plug multiple inner diameters. These plug offers a snug and secure fit that prevents undesired substances from entering the open tube or hole, protecting internal components and ensuring optimal performance.

The integrated centre tab is designed for quick and easy remova, by pulling the tab upwards. The plug protects against damage, dirt, moisture, and corrosion during storage and shipping.

Used in various applications.

  • Tapered design means plug is suitable for multiple inner diameters.
  • The integrated centre tab is designed for quick and easy removal and installation by hand and with a tool.
  • Used in various applications, including electrical cables in machinery, equipment, and control panels.
Material: LDPE, TPR Colour: Yellow, Black, Orange, Red Series Code: SR1174, SR1067, SR1068

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

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

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

Elastomer Lanyard

A lanyard designed to connect and secure two separate components. It features a securing loop on one end and a mounting hole on the other, which provides a secure fix to connecting objects.

The lanyard can accommodate a wide range of applications, including cables, dust caps, enclosures and lids. Double fixing slots on the securing loop help reduce the risk of failure for heavy duty applications. When using for heavy duty applications; simply secure the loop through both fixing slots for safe mounting.

The material is highly flexible and can stretch up to three times its nominal length.

  • Material: Ethylene Propylene Diene Monomer (EPDM)
  • Colour: Black


Series Code :SR2000

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 End Caps - Oil and Grease Resistant

Flexible End Caps are made from flexible material that is able to stretch on to larger diameters for a snug fit. They provide excellent protection for threaded applications.

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

The caps are highly resistance to shredding, making them a durable product. The Green PVC option is suitable for use in oil and grease applications.

  • Material: Polyvinyl Chloride (PVC)
  • Colours: Black and Green


Series Code :SR1020

Flexible End Caps - Standard

Our range of Flexible End Caps come in a variety of sizes that are suitable for Metric, BSP and UNF threads. These Flexicaps are durable making them an ideal choice for a multitude of uses.

The attractive vinyl appearance makes them a great choice for finished products. Thanks to their versatility they have a broad range of uses that include; thread protection, dust and moisture control, pipe and stud end colour coding and masking during paint and plating operation.

The flexible PVC (90 Shore) material can withstand high operating temperatures and can be stretched up to 15 percent larger than then manufactured diameter. The specially formulated PVC is unaffected by weather, oxidation, oils and moisture.The caps are extremely pliant and provide excellent chemical resistance. They can also be glued to other PVC items.

They are an economical solution for one-time uses.

  • Material: Polyvinyl Chloride (PVC)
  • Colour: Yellow
  • Finish: Gloss
  • Series Code: SR1044

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

Garden Cane Caps

A useful cap with a cross head design that is commonly applied to the tip of garden canes, metal rods and other stick applications.

Their main function is to protect the application from damage and the ingress of foreign contaminants, as well as offering some weather protection.

They also serve as a protective buffer, by capping the exposed sharp ends of canes and rods that users risk coming into contact with, resulting in the prevention of accidental injury.

Material: Polyvinyl Chloride (PVC)Colours: Green and Yellow

  • Series Code: SR1203

Gas Cylinder Valve Plugs

Gas Cylinder Valve Plugs have been developed in collaboration with major European gas companies to protect industrial gas valves from the ingress of dust, dirt and other contaminants. It provides a tight seal, while its unique vent cap allows for the safe release of gas after accidental opening of the valve.

It is easy to install and disassemble, making it a convenient solution for temporary applications and tamper-proof. It is used in gas storage, industrial and transportation applications.

  • Material: HDPE, LDPE
  • Colour: Yellow


Series Code :SR1060

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

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