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Plastic Threaded Parts and Accessories

 (65 product groups)

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Mushroom Knobs

Mushroom Ball Knobs give products an aesthetically pleasing, finished look. These moulded plastic knobs are ideal for a wide range of applications including machine tools, jigs, and fixtures. The mushroom design provides a comfortable grip.

Series Code :SR6530

Non-Slip Rubber Pads

Non-slip rubber pads are ideal to cover the levelers on machines or conveyors. These pads can bear heavy loads and provide extra friction to prevent movement and slipping.

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

Protective Conduit Fitting

This range of conduit fittings is available in plastic and metal options. They are a two-part fitting comprising of shell and body. There is also a choice between a Fixed External Thread Fitting and Swivel External Thread Fitting.

Pull Handles - Bridge Shape Plastic

This range of Pull Handles have a bridge shape with a rectangular bar. These strong handles are commonly used for both the opening and closure of doors, and for the lids on heavy cabinets.

They are an economical choice that is well suitable to a number of applications and industries, including; railway, machinery, and electrical or industrial equipment.

Our offer features a selection of material and finish options to suit different environments, as well as a choice of pulling strengths and thread styles. The range also has options suitable for front or rear mounting.

  • Material: Duroplast, Thermoplastic
  • Colour: White, Black, Yellow, Natural

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-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

Rectangular Threaded Inserts & Glides

Our range of Threaded Inserts and Glides come in a variety of options. Inserts are placed into the cavity at the end of pipes and tubes to provide a clean and neat finished appearance. Inserts also offer surface protection, and prevent the ingress of dirt and other contaminants.

These inserts can be used in a range of standard or heavy duty applications, but are ideally used with adjustable feet, tilt glides and castors.

Available are all-metal inserts, and plastic inserts with a metal nut. The metal threat provides a secure fit and allows for smooth repeatable adjustment of the insert. The plastic inserts come either as a single piece or a two-piece moulding. The two-piece mouldings fit neatly together to fit into tubes.

  • Materials: High-Density Polyethylene (HDPE), Polyamide (PA) and Aluminium.
  • Colours: Black, Grey and Natural


Series Code :SR1571, SR1570, SR1567

Reducers - Brass

Reducers - Brass are essential components used in plumbing and industrial applications to facilitate the connection between pipes or fittings of different sizes. These brass reducers are specifically designed to provide a reliable and durable solution for joining pipes with varying diameters. The main characteristic of brass reducers is their high-quality brass construction, which offers excellent corrosion resistance, durability, and strength. With their precision engineering and smooth finish, these reducers ensure a tight and leak-free connection between different pipe sizes.

The benefits of brass reducers are manifold. Firstly, they enable a seamless transition between pipes or fittings of different sizes, allowing for efficient flow control and system compatibility. The use of brass as the material of choice provides exceptional durability and resistance to corrosion, making brass reducers ideal for both indoor and outdoor applications. Another advantage is the versatility of brass reducers, as they can be used with various pipe materials such as copper, PVC, or steel, offering compatibility across different systems. Furthermore, brass reducers are easy to install, thanks to their threaded design, ensuring a secure and hassle-free connection. Their reliability and durability ensure long-term performance, reducing maintenance and replacement costs.

  • Material: Brass

Reducers - Nylon

Reducers - Nylon are versatile components used in a variety of applications to connect pipes or fittings of different sizes. These nylon reducers are specifically designed to provide a lightweight, yet durable solution for joining pipes with varying diameters. The main characteristic of nylon reducers is their high-quality nylon construction, which offers excellent chemical resistance, impact strength, and flexibility. With their smooth interior finish, these reducers ensure optimal flow and minimize pressure loss.

The benefits of nylon reducers are manifold. Firstly, they offer exceptional chemical resistance, making them suitable for a wide range of applications involving corrosive fluids or chemicals. The nylon material also provides excellent impact strength, ensuring durability and resistance to cracking or breakage. With their lightweight nature, nylon reducers are easy to handle and install, reducing installation time and effort. Additionally, the flexibility of nylon allows for easy adaptation to different pipe sizes, providing a versatile solution for connecting pipes or fittings of varying diameters. Furthermore, nylon reducers are resistant to rust and corrosion, making them suitable for both indoor and outdoor applications.

  • Material: PA
  • Colour: Black, Dark Grey


Series Code :SR1863

Round Threaded Inserts

Round threaded inserts are available as quick-fit inserts for tube ends and connecting pipes. They are threaded for secure screw fixing. These threaded inserts provide a stable and secure mounting point for a wide range of furniture and equipment components.

They are commonly used in the manufacturing, packaging and construction industries.

  • Material: HDPE, Nylon, PA, Steel, PP, LDPE, Aluminium, PE
  • Colour: Black, Natural, Grey


Series Code :SR1570, SR1430, SR1567

Round Threaded Inserts - Metal

Round Threaded Inserts provide a threaded surface for fastening screws, bolts or other items. They are ideal for heavy duty applications and are made from cast aluminium alloy. Have an internal thread to accommodate adjustable levelling feet and brackets.

Their metal threads allow for a smooth, secure, and durable fit, and the two-piece mouldings fit snugly into the tubes. There are ideal for use with adjustable feet, tilt guides and castors in furniture applications such as tables, chairs, cabinets or sofas and appliances.

  • Material: HDPE, Steel
  • Colour: Black, Natural


Series Code :SR5438, SR1571

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

Slottex Plugs

Slotted Plugs are designed with a double sealing ring on the underside of the flange that provides a secure and reliable seal. The design includes five complete threads for a secure fit. Offers protection from dirt, dust, debris, liquid residue and corrision. Head designed not to trap liquid when the plug is secured in place.

These Sealing Plugs are easy to install and remove by hand. The hex head design allows the plug to be applied or removed with a screwdriver, spanner, Allen key or socket. The range covers an extensive offering of dimensions suitable for Metric, BSP, and UNF threads.

Used in various applications, including hydraulic, pneumatic, and general engineering industries.

  • Designed with a double sealing ring for a secure and reliable seal.Designed with a double sealing ring for a secure and reliable seal.
  • Protects from contaminants and ingress of moisture.
  • Easy to install and remove by hand.
  • SRF1007, SRF1005, SRF1117
Material: LDPE, PA, PEColour: Yellow, BlueMaterial Flammability Standard: Series Code: SR1005, SR1007, SR1117

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 Tube Inserts

Square Inserts and Glides provide a finished look and offer protection to the end of square tubing, poles and posts. Two designs available; ribbed for maximum grip that can be used on multiple tube guages or with a plain shank that fits one tube guage specifically, giving you a step lead for easy installation.

Designed to provide a tight fitting connection on a variety of tubular products. Some of the range help prevent against damage to floors or other surfaces, as well as tube protection from external elements.

They come in a variety of options and styles; standard square ribbed inserts, lightweight square inserts, and metallic square inserts. Typically used in furniture and industrial equipment applications. The versatility of materials, finishes and colours provides a choice to maximize the aesthetical appearance and premium fit for your application.

  • Finishing product used for square tubular products.
  • Ideal for use on furniture and industrial equipment.
  • Helps prevent damage to floors and protect the tube from external elements.
Material: ABS, LDPE, PE, TPR Colour: Silver, Black, White, Mid Grey, Blue, Red, Yellow, Brown, Green, Dark Grey, Grey Series Code: SR5722, SRANQ, SR1540, SR1542

T-Handle Knobs

T-Handle Knobs have metal inserts or studs that thread easily and create an easy to grip knob with an ergonomic design. The T-Handle design provides a strong hand hold for quickly adjusting controls or as a lever.

Series Code :SR6540

Tapered Caps & Plugs - Standard

Standard Tapered Caps and Plugs are versatile components designed for use as a plug or a cap. The tapered profile allows the part to plug multiple inner diameters or to cap multiple outer diameters.

These dual function plugs or caps are typically used to protect against damage, dirt, moisture, and other corrision during storage and shipping.

With a straight forward push fit design, these dual function components are easy to insall and remove. The extensive range offers a varied selection of sizes that range from 2.9 mm up to 345.0 mm.

  • Plug design suitable for multiple inside and outside diameters.
  • Protects threaded and non-threaded pipes, ports, and access points against damage, dirt, moisture, debris, and corrosion.
  • Suitable for use in hydraulic systems, automotive components or medical industries.
Material: LDPE Colour: Red, Blue, Black, Clear, Yellow Series Code: SR1000, SR1111, SRF0020

Tapered Caps & Plugs - Wide Flange

Wide Flange Tapered Caps and Plugs offers additional protection to the surrounding area on the bearing surface. The wider flange keeps the part from being accidently pushed down through the mating part. Designed to be used as a plug or a cap. The tapered profile allows the part to plug muliple inner diameters or cap multiple outside diameters.

These dual function components are typically used to protect against damage, dirt, moisture, and other corrision during storage and shipping.

Featureing a straight forward push-fit design, they are easy to insall and remove.

  • Prevents the plug from being accidentally pushed down through the contact piece.
  • Protects threaded and non-threaded pipes, ports, and access points against damage, dirt, moisture, debris, and corrosion.
  • Suitable for use in hydraulic systems, automotive components, chemical or medical industries.
Material: LDPE Colour: Yellow, Red, Blue Series Code: SRF0030, SR1001, SR1115

Threaded O-ring Plugs - BSP/Gas Threads

Threaded O-ring Plugs for BSP/Gas Threads include a compressed flange lip and an O-ring to provide a watertight seal and superior leakage prevention for hydraulic threads. The threaded O-ring keeps contaminants like dirt, dust, debris, and moisture out of the hole.

It may be installed using a spanner, screwdriver, or by hand. BSP Gas threads are available. Used in oil and gas, plumbing, and automotive sectors where leak-proof seals are crucial to system integrity.

  • Material: HDPE
  • Colour: Yellow
  • Material Flammability Standard: UL94 V-2

Threaded O-ring Plugs - Metric Threads

Threaded O-ring Plugs for metric threads include a compressed flange lip and an O-ring to provide a watertight seal, for a superior leakage prevention, for hydraulic threaded fittings. Provides a tight seal and therfore prevents contaminant ingress from dirt, dust, debris, and moisture out of the aperture.

Can be installed using a spanner, screwdriver or by hand. Metric threads are available, with a cylindrical inner and outer diameter precise in millimetres. The fine taper of metric tapered thread allows for the best possible force transmission.Commonly used on hydraulic fittings, oil and gas, plumbing, and automotive sectors where leak-proof seals are crucial to system integrity.

  • Keeps contaminants like dirt, dust, debris, and moisture out of the hole.
  • Metric threads are available with a cylindrical inner and outer diameter precise in millimetres.
  • Used in oil and gas, plumbing, and automotive sectors.
Material: HDPE Colour: Yellow Material Flammability Standard: UL94 V-2, Series Code: SR1125

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