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Polypropylene Threaded Parts and Accessories

 (6 product groups)

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Diamond Knurled Knobs

Diamond Knurled Knobs have rough ridges around the outside of the handle creating a firm gripping surface that is also comfortable. These durable knobs fit onto threaded applications and are resistant to oils, fuels, and greases.

Furniture & Office Castors

These aestically pleasing castors are a great option for equipment typically found in offices and other commercial premises. Our range of Furniture & Office Castors can be applied to desk chairs, pedastals, storage trolleys, meeting tables and more. The materials offered in this range include; Rubber, Nylon, Zinc Plated Steel and more. A variety of type options are available to suit your requirments, including; Spherical, Twinwheel, Bolt Hole, Spoke Wheel, Knurled Stem and others. Our range is available in varying load capacity and size options.

Series Code :SR5769

Medical Castors

Medical Castors are pivotal in the mobility of equipment in the healthcare sector, whether in hospitals, care homes, laboratories and more. Enter any medical facility and you will find portable equipment, such as; patient monitors and devices, ventilators, beds, medical carts and trolleys, hoists, wheelchairs, and others that all make use of castors and wheels. Our extensive range features different castor types, including; Levina, Linea, Twinwheel, Swivel, Fixed plate and others. These castors are offered in a choice of colours and materials, such as Polyurethane, Zinc Plated Steel and Nylon. A plethora of load capacities and size options are available to suit your application needs.

Series Code :SR5606

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

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 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