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Plastic Female Threaded Insert Non Threaded

 (59 product groups)

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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

Parallel Protection Plugs

Parallel protection plugs are general-purpose plugs that are used to protect a variety of applications.

The thermoplastic elastomer range is recommended for applications where resistance to acid is required. The PVC range is highly resistant to shredding and therefore ideal for threaded applications. The green vinyl range works well with applications where oils and greases are present.

Features a parallel or straight wall design that ensures a secure and snug fit while preventing contaminants, damage, dirt, corrosion, moisture, and debris during storage and transportation.

  • Parallel design ensures a secure and snug fit that prevents contaminants, corrosion, and debris during storage and transportation.
  • Easy to install and remove, and provides a neat finish.
  • Suitable for various applications including automotive, manufacturing, and commercial.
Material: LDPE, TPR, TPE, PVC, Vinyl Colour: Natural, Black, Red, Green Series Code: SR1015, SR1067, SRSTG, SRSTLL, SR1014, SR1013, SRF0000

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 Fit End Caps

Push Fit End Caps are a simple and economical way of protecting metric and UNF threads during painting, assembly or transportation. They are manufacured from a soft, durable TPE that provides a better grip and a tight fit. Protects pipe ends from damage, and keeps dirt and debris out.

Easy to install and remove. They can operate in a temperature from -60 C up to 135 C.

Commonly used in plumbing, HVAC, and industrial applications.

  • Simple and economical way of protecting metric and UNF threads.
  • Easy to install and remove.
  • Operatures in temperatures from mimimum -60 C up to maximum 135 C.
Material: TPE, , LDPEColour: Blue, , RedMaterial Flammability Standard: Series Code: SRCFBTPE, SRCFB

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

Quick-Fit Connector Plugs

Quick-fit Connector Plugs are created to conform to SAE J2044 - 12 connectors for fuel systems. The plug offers protection from ingress of contaminants or potential leaks of fluid.

The ring tab is designed to cover the wall of the connector when fitted, and to be pulled out for easy and fast removal.

  • Ring tab is designed to cover the wall of the connector when fitted.
  • Helps quickly and easily connect wires, without needing special tools or equipment.
  • Used in industrial, HVAC, and plumbing applications.
Material: LDPEColour: YellowMaterial Flammability Standard: Series Code: SRF0009

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

Ribbed Pipe End Caps

Ribbed Pipe End Caps are ideal for protecting threaded or non-threaded pipes, tubes or rods. In addition it is used to shield or mask areas during the painting process, as well as preventing dirt, dust, or debris from entering.

It is easy to install and remove, and it can withstand a maximum temperature of 79.4C. Designed for plumbing, HVAC, and industrial applications.

  • Material: LDPE
  • Colour: Red, Yellow


Series Code :SR1046

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

Round Ball Caps

Round Ball Cap with high strength and secure press fit to enhance the design of the leg. Ideal for furniture, crafts, or architectural projects. They can also be used to protect the ends of furniture, and are easy to install and remove. It can also be used as a decorative top or finial.

  • Material: LDPE
  • Colour: Black


Series Code :SR1634

Round End Caps - Standard

Standard Round End Caps are non-threaded and available in a wide range of sizes. They are ideal for protecting threaded or non-threaded tubing, pipes and rods. Standard, short and long caps are available. The short versions are for general purpose closure and the long versions have an extra depth and feathered edge which ensure a tight fit. The design of these longer caps helps to prevent accidental displacement.

  • Material: PE, PP
  • Colour: Yellow, Black, Grey, Natural

Round Feet Ferrules - Standard

Standard Round Feet Ferrules are a type of protective cap that offer protection to tubes, rods and occasionally threads, as well as the end of furniture legs, chair legs, and ladder steps. They are anti-slip and anti-scratching floors. Designed to fit perfectly, providing a snug and secure fit.

The ferrules offer protection to the shaft or tube to ensure it doesn't split when meeting hard surfaces and provide floor protection and grip.

It is easy to install simply by pushing them onto the end of the applications. Also durable and long-lasting, protecting your applications. It is used in furniture manufacturing, retail and commercial applications.

  • Material: PVC, LDPE, Nylon
  • Colour: White, Black, Natural

Round Feet Ferrules - Tapered

Tapered Round Feet Ferrules are a type of protective cap that offer protection to tubes, rods and occasionally threads, as well as the end of furniture legs, chair legs, and ladder steps. They are anti-slip and anti-scratching floors. Designed to fit perfectly, providing a snug and secure fit.

The ferrules offer protection to the shaft or tube to ensure it doesn't split when meeting hard surfaces and provide floor protection and grip.

It is easy to install simply by pushing them onto the end of the applications. Also durable and long-lasting, protecting your applications. It is used in furniture manufacturing, retail and commercial applications.

Material: PVC, NylonColour: White, Black, Natural

Screw Cap Covers

Screw Cap Covers, also known as screw hole covers or screw head covers, are designed to provide a finished and professional surface appearance while protecting the screw or hole from damage and corrosion on veneered chipboard.

These push-fit screw caps fit securely into the top of the screws, covering the screw head neatly and protecting it from dust and dirt ingress. Used to cover exposed screws in furniture, cabinets and automotive applications.

  • Material: LDPE
  • Colour: White, Silver, Cream, Teak, Dark Brown, Light Brown


Series Code :SR1612

Sheet Metal Plugs

Sheet Metal Plugs are used to blank holes during transportation or can be used on finished products to provide a clean finish. The Nylon (PA 66) plug protects the handler from fabricated holes associated with hazardous shards. They can also be used to protect internal threads from damage in transportation.

Available in three colours, usefule for the purpose of colour identification or to match finished product aesthetics.

Sheet Metal Plugs can be easily pushed into applications without any fixing requirement and can easily be removed.

  • Used to blank holes during transportation.
  • Easily pushes into applications without the need for fixing.
  • Provides a clean finish to your applications.
Material: PA, PA66 Colour: Natural, Black, Beige, Grey, White Series Code: SR2041

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

Snap Fit Plugs

These Snap Fit Plugs are designed to facilitate the application and removal on a component. They protect the aperture from ingress of contaminants like dirt, dust, and debris.

Easy to install and remove; once pushed into position, a single twist provides a secure and snug fit. A central tab at the top provides a strong grip for tightening and removal. The range is suitable for hydraulic fittings with Metric, BSP, UNF, and JIC threads.

Each plug covers a range of different thread sizes and styles.

  • Easy to install and remove. Once pushed into position, a single twist provides a secure and snug fit.
  • Features a central tab at the top that provides a strong grip for tightening and removal.
  • Suitable for Metric, BSP, and UNF threads.
Material: LDPE Colour: Red, Yellow, Blue Series Code: SR1010, SRTFUP, SR1119, SR1008

Soft Knurled Caps

Soft Knurled Caps are a simple and economical way of protecting metric and UNF threads during painting, assembly or transportation. They have a knurled exterior and are manufacured from a soft, durable TPE that provides a better grip and a tight fit. Protects pipe ends from damage, and keeps dirt and debris out.

Easy to install and remove. They can operate in a temperature from -60 C up to 135 C.

Commonly used in plumbing, HVAC, and industrial applications.

  • Simple and economical way of protecting metric and UNF threads.
  • Easy to install and remove.
  • Operatures in temperatures from mimimum -60 C up to maximum 135 C.
Material: TPEColour: BlueMaterial Flammability Standard: Series Code: SRF0010

Square Feet Ferrules

Square Feet Ferrule covers the sharp edges of square tube ends, preventing water, moisture, dirt or dust from damaging the tube ends. They can be used for finishing and protection and are applied to cover sharp tube edges.

Its push-fit makes them quick and easy to install and remove. It can be used in the automotive, electrical and medical industries.

  • Material: LDPE
  • Colour: Black


Series Code :SR1521

Standard Round End Caps

Standard Round End Caps are used to securely protect threaded or non-threaded tubing, pipes, and rods during transportation, a paint process or on a finished product. It prevents dirt, debris, dust and other contaminants from damaging the tubes.

These caps are easily applied by pushing onto the application and can be re-used upon removal. They are used for industrial, HVAC, and plumbing applications and can withstand temperatures up to 70C.

  • Material: LDPE
  • Colour: Natural, Red

Standard Size Pipe Caps

Standard Size Pipe Caps are a low cost protectve cap with a high quality finish.

Moulded caps that are designed to grip over the outside diameter of threaded and non-threaded pipe ends, preventing the ingress of foreign materials during storage and shipping.

The cap design features internal ribs that ensure a tight fit. In addition, the range includes caps that have a small vent hole to eliminate air pressure build up, and meets ANSI and DIN specifications.

  • Designed to prevent ingress of foreign material during storage or shipping.
  • Includes internal ribs to ensure a tighter fit.
  • Features a small vent hole to eliminate air pressure build up.
Material: LDPE, PVC Colour: Green, Blue, Orange, Yellow, Red, Black, Natural, Grey Series Code: SR1358, SRTXTPE, SR1387, SR1340

Stud Bolt Caps

Stud Bolt Caps provide protection in scaffold applications. The design allows them to be positively fitted on to any exposed clamp studs on your scaffolding.

The protection that these caps offers helps prevent weathering, and damage to the studs from the people working around them - as well as injury prevention to workers. The hard material used to manufacture the caps ensures snug fitting and durability, no matter where they are fitted.

Manufactured to industry standard sizes for easy fitting and usability. This avoids any requirement for the measurement of your scaffold studs. They are available with a 13mm inner diameter that features a gradual ribbed design that helps keep the cap secure once fitted.

  • Material: Low-Density Polyethylene
  • Colour: Yellow


Series Code :SR1048

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