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Polypropylene Threaded Flat Washers

 (5 product groups)


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.

Flat Washers - Plastic

Flat Washers made from a variety of plastics. Also known as plain washers, these flat plastic washers are among the most commonly used. The plastic washer helps evenly distribute the load of a fastener, such as a nut, whilst helping to reduce heat and friction during the process of tightening.

Our wide range features a vast array of sizes, including large diameter plastic washers that are suitable for a number of metric threads. We also offer a choice of materials, including Nylon washers and other plastic washers made from Polycarbonate (PC), Polypropylene (PP) and Polyoxymethylene (POM). As well as high-quality, hard plastic washers like Polyether Ether Ketone (PEEK). All with a durable, smooth finish.

  • Insulates against moisture and electricity
  • Resistant to corrosion, abrasion and most chemicals
  • Provides full insulation, cushioning and spacing
  • Colours: Natural, Black and Brown.

Round Threaded Inserts

Round Threaded Inserts are quick-fit inserts for tube ends and connecting pipes, designed for secure screw fixing. Provides a stable and secure mounting point for various furniture and equipment components.

  • It is available as quick-fit inserts.
  • Ideal for tube ends and connecting pipes.
  • Used in manufacturing, packaging, and construction industries.
Material: Steel, HDPE, LDPE, PA6, PP, PA, Aluminium Colour: Natural, Black Series Code: SR1430, SR1570, SR1567

Threaded Protection Plugs - UNF Threads

Threaded Protection Plugs designed for use on UNF Threads. Shield threads and fittings from damage and contaminants during production, storage and shipment. With fewer thread forms, they allow for quick application.

  • It features fewer thread forms for faster application and may be applied or removed with a hand, hex spanner, or screwdriver.
  • It is compatible with NS and NF Class 1-2-3 standard threads.
  • Used in various applications, including hydraulic, pneumatic, and general engineering.
Material: LDPE, HDPE Colour: Red, Yellow Series Code: SR1077, SRF0029

UNF Threaded Plugs

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