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Polypropylene Threaded Ball Knobs

 (5 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

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.

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