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UNF Threads

 (34 product groups)

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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 - Standard PCR

Standard Tapered Caps and Plugs are designed to function as both caps and plugs. They can accommodate over 140 sizes due to their tapered shape. Commonly used to protect against damage, dirt, moisture and other corrosive chemicals during storage and shipping. They are widely applicable across various industries. Simple to install and remove, they provide a cost-effective solution.

This series is manufactured from Post Consumer Recycled material, which is designed to support Essentra’s ESG ambitions and those of our customers. Material: LDPE - PCR Colour: Green Series Code: SRSTCPCR

Tapered Plugs With Ring Tab PCR

Tapered Plugs with Ring Tab are designed for easy removal and installation. Features a tapered profile for added versatility. Provides protection against damage, dirt, moisture and corrosion. Features a sturdy ring tab for improved handling when removing the plug. The ring also provides a wall protection when fully installed.

This series is manufactured from Post Consumer Recycled material, which is designed to support Essentra’s ESG ambitions and those of our customers. Material: LDPE - PCR Colour: Green Series Code: SRSTCFPCR

Tear Tab Caps

Tear Tab Caps are readily installed and removed in various applications, including essential hydraulic tubes and pipelines. Provides protection against damage, filth, moisture, and other kinds of intrusion. Suitable for a variety of applications and threads.

  • Quick fitting and release.
  • Simple tear-away tab design.
  • Versatile cap solution that is ideal for numerous applications.
  • Protection for UNF/JIC or NPT theads.
Material: LDPE Colour: Natural, Blue, Yellow, Black Series Code: SR1022, SR1033

Tear Tab Caps PCR

Tear Tab Caps provide a quick-fit and quick-release solution thanks to their tear-away tab design. Effectively protects parts from damage, dirt, moisture and other forms of contamination. Suitable for various applications including hydraulic tubes and pipes, hydraulic fittings, and general tube end protection. They are an excellent choice for the specialist vehicle industry and other manufacturing sectors.

This series is manufactured from Post Consumer Recycled material, which is designed to support Essentra’s ESG ambitions and those of our customers. Material: LDPE - PCR Colour: Green Series Code: SRTLSPCR

Threaded Protection Plugs - Quick Fit

These Quick Fit Threaded Protection Plugs 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 conceals the initial thread of ordinary female threads. It is reusable and cost-effective material with less heat but excellent chemical resistance. Its ergonomic pull tab makes it simple to install and remove. Used in various applications, including hydraulic, pneumatic and general engineering industries.

  • Its ergonomic pull tab makes it simple to install and remove.
  • It is reusable and cost-effective material with less heat but excellent chemical resistance.
  • Used in various applications, including hydraulic, pneumatic and general engineering industries.
Material: LDPE Colour: Red Series Code: SR1009

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

Threaded Protection Plugs - Wide Flange

Wide Flange Threaded Protection Plugs shield threads and fittings from damage and contaminants during production, storage and shipment. The nitrile gasket ensures a leak-tight seal against the mating surface. The wide flange prevents paint flakes from entering the hole upon removal. Withstands intermittent temperatures from -40C up to +100C.

  • Its wide flange design keeps any paint flakes from the hole when removed.
  • Their nitrile gasket seals the plug to the mating surface for leak-tightness.
  • It is recommended for intermittent temperatures from -40C to +100C.
Material: PA Colour: Yellow Series Code: SR5761

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

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