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Countersunk Round HDPE

 (20 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

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

Nail-On Glides

Nail-On Glides, or Nail-On Feet, are ideal for wooden furniture legs for optimum floor protection and in helping reduce noise. These glides easily knock into place and are provided in various finishes for a smooth glide action.

Our nail-mount Glides come in a choice of base materials, including; High Density Polyethylene (HDPE), Chrome, Polyamide (PA), and Polytetrafluoroethylene (PTFE) - plus a PTFE with Felt option, all supplied with a Steel nail for added convenience and value.

  • Shape: Round
  • Colours: Woodtone, Grey, Brown and Natural.

Push In Glides

Push In Glides, or Tube Inserts, are commonly used at the base of tubular products like chair legs. The push-fit glide provides protection, not just for the assembly, but more importantly for the surface below. Ideal protection for wooden, carpeted and other floor surfaces.

Our Push-In Glide range has a wide range of material options to choose from, including but not limited to; Polyamide (PA), Polyethylene (PE), Acrylonitrile Butadiene Styrene (ABS), Felt and also Steel; as well as various finishes and colour choices to choose from.

Our offer features numerous styles, including; Domed, Angled, Metal-Pronged, Ribbed, Threaded, Lightweight and Heavy Duty. Plus lots of shapes to suit your application needs, including; Round, Oval, Rectangular and Square.

  • Attractive finish provides enhanced aesthetic appearance
  • Easy to assemble
  • Secure fitting
  • Durable and long-lasting.

Round Glides

Round Load Bearing Glides are designed to use as a protection plug or as a glide. The lid is stepped to offer an easy insertion and secure fit.

They are ideal to protect and finish a tube end in moderate to heavy-duty applications These glides provide a smooth, durable base for furniture, appliances and more.

They protect floors from scratches, scuffs and other damage caused by heavy or sharp objects.

  • Material: PE, ABS, Nylon, Butyrate, LDPE, HDPE
  • Colour: Grey, Black


Series Code :SR1632

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

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

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

Threaded O-ring Plugs - UNF Threads

Threaded O-ring Plugs for UNF Threads include a compressed flange lip and an O-ring (optional) 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 hex wrench, screwdriver, or hand. Often used on flat-faced hydraulic fittings, it is recommended when strength and resistance are desired as it can withstand temperatures that range from -40F to 230F | -40C to 110C. Used in oil and gas, plumbing, and automotive sectors where leak-proof seals are crucial to system integrity.

  • Material: PP, HDPE
  • Colour: Yellow, Black, Red
  • Material Flammability Standard: UL94 V-0

Threaded Protection Caps - BSP/Gas Threads

Threaded Protection Caps for BSP/Gas Threads protect threads and fittings from damage during production, storage, and shipment, ensuring they remain in good condition and ready for use when needed. The protection cap keeps contaminants like dirt, dust, debris, and moisture out of the hole.

Features a knurled head design that makes them easy to install and remove by hand by twisting them onto the pipe or tube. Used in various applications, including hydraulic and pneumatic systems, automotive, and industrial applications.

  • Material: LDPE, HDPE
  • Colour: Red, Yellow


Series Code :SR1018, SRF0014, SRF0015

Threaded Protection Caps - Metric Threads

Threaded Protection Caps for Metric Threads threads and fittings protect threads and fittings from damage during production, storage, and shipment, ensuring that they remain in good condition and are ready for use when needed. The protection cap keeps contaminants like dirt, dust, debris, and moisture out of the hole.

Features a knurled head design that makes them easy to install and remove by hand by twisting them onto the pipe or tube. Suitable for Metric threads. Used in various applications, including hydraulic and pneumatic systems, automotive, and industrial applications.

  • Material: HDPE, LDPE
  • Colour: Yellow, Red, Natural


Series Code :SR1161, SR1018, SRF0015

Threaded Protection Caps - UNF/JIC Threads

Threaded Protection Caps for UNF /JIC Threads protect threads and fittings from damage during production, storage, and shipment, ensuring that they remain in good condition and ready for use when needed. The protection cap protects flared and flare less from contaminants like dirt, dust, debris, and moisture out of the hole.

Features a knurled head design that makes them easy to install and remove by hand by twisting them or pushing them in on the pipe or tube. They are ideal for UNF/JIC threads, and if you pick the yellow option, they are made of HDPE and have a long profile, which allows for more threading turns. It can withstand temperatures between Min. -30C, Max. +80C. The range of Protection caps can be used in various applications, including hydraulic and pneumatic systems, automotive, and industrial applications.

  • Material: Nylon, HDPE, LDPE
  • Colour: Red, Yellow


Series Code :SR1018, SRF0015, SRF0014

Threaded Protection Plugs - NPT Threads

Threaded Protection Plugs for NPT Threads protect threads and fittings from damage during production, storage, and shipment, ensuring that they remain in good condition and ready for use when needed. The protection plug protects from contaminants like dirt, dust, debris, and moisture from the hole.

It may be installed by hand or with a 12-point socket head, screwdriver or wrench. This threaded plug is suggested for usage where strength and abrasion resistance are required since it can tolerate temperatures ranging from -40F to 230F | -40C to 110C. Suitable for Metric threads. Used in various applications, including hydraulic, pneumatic and general engineering industries.

  • Material: HDPE, PA
  • Colour: Red, Natural


Series Code :SRK0083, SR5759

Threaded Protection Plugs - UNF Threads

These Threaded Protection Plugs for UNF Threads protect threads and fittings from damage during production, storage, and shipment, ensuring that they remain in good condition and ready for use when needed. The protection plug protects from contaminants like dirt, dust, debris, and moisture from the hole.

It features fewer thread forms for faster application and may be applied or removed with a hand, hex spanner, or screwdriver. Used in various applications, including hydraulic, pneumatic, and general engineering.

  • Material: PP, LDPE, HDPE
  • Colour: Yellow, Black, Red


Series Code :SR1002, SR5762, SR1077, SRF0029

Threaded Sealing Caps - BSP/Gas Threads

These Threaded Sealing Caps for BSP/GAS Threads protect threads and fittings from damage during production, storage, and shipment, ensuring that they remain in good condition and ready for use when needed. The cap is fitted with an internal neoprene rubber sealing disk to limit fluid leakage, plus it reduces potential shearing. The protection plug protects from contaminants like dirt, dust, debris, and moisture from the hole.

It is easy to install and remove by hand, but its hex head allows the plug to be applied or removed with a spanner or socket at low torque. Used in various applications, including hydraulic, pneumatic and general engineering industries.

  • Material: HDPE
  • Colour: Yellow, Red


Series Code :SR1126

Threaded Sealing Caps - Metric Threads

These Threaded Sealing Caps for Metric Threads protect threads and fittings from damage during production, storage, and shipment, ensuring that they remain in good condition and ready for use when needed. The cap is fitted with an internal neoprene rubber sealing disk to limit fluid leakage, plus it reduces potential shearing. The protection plug protects from contaminants like dirt, dust, debris, and moisture from the hole.

It is easy to install and remove by hand, but its hex head allows the plug to be applied or removed with a spanner or socket at low torque. They are suitable to protect metric threads and are used in various applications, including hydraulic, pneumatic and general engineering industries.

  • Material: HDPE
  • Colour: Yellow
  • Series Code: SR1126

Threaded Sealing Caps - UNF Threads

These Threaded Sealing Caps for UNF Threads protect threads and fittings from damage during production, storage, and shipment, ensuring that they remain in good condition and ready for use when needed. The cap is fitted with an internal neoprene rubber sealing disk to limit fluid leakage, plus it reduces potential shearing. The protection plug protects from contaminants like dirt, dust, debris, and moisture from the hole.

It is easy to install and remove by hand, but its hex head allows the plug to be applied or removed with a spanner or socket at low torque. Used in various applications, including hydraulic, pneumatic and general engineering industries.

  • Material: HDPE
  • Colour: Yellow

Unicap Cover Caps

Unicap Cover Caps and washers are designed to conceal and protect exposed screws or bolt heads for aesthetic or safety reasons. These caps and washers are resistant to corrosion, abrasion, and impact due to their material, offering long-lasting protection and durability.

In addition, they protect against dirt and are easy to install and remove by push fit. Available in both low profile and high profile. Used in construction, furniture and appliances.

Please note that in this product range you will find caps and washers which are sold separately and you will need to order both items.

  • Material: PP, HDPE, LDPE
  • Colour: Grey, Silver, Black, White, Natural, Flint, Brown, Stone, Beige, Gold, Orange


Series Code :SR1801