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Threaded Unified Threads Threaded Caps & Plugs

 (9 product groups)

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Threaded O-ring Plugs - NS-NF Threads

In stock In production

Threaded O-ring Plugs for NS and NF 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. Fits standard NS (National Special) and NF (National Fine) Class 1-2-3 threads. Used in oil and gas, plumbing, and automotive sectors where leak-proof seals are crucial to system integrity.

  • Material: PP
  • Colour: Red

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Threaded O-ring Plugs - UNF Threads

In stock In production

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, LDPE, HDPE, Nylon
  • Colour: Yellow, Red, Natural
  • Material Flammability Standard: UL94 V-0

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Threaded Protection Caps - UNF/JIC Threads

In stock In production

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: LDPE
  • Colour: Red, Blue

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Threaded Protection Caps - UNJ/UNJS Threads

In stock In production

Threaded Protection Caps for UNJ /UNJS 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 onto the pipe or tube. These caps are designed to fit over UNJ (Unified National Jet) and UNJS (Unified National Jet Short) threads. Used in various applications, including hydraulic and pneumatic systems, automotive, and industrial applications.

  • Material: HDPE
  • Colour: Black

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Threaded Protection Plugs - UNF Threads

In stock In production

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, Nylon, HDPE, LDPE
  • Colour: Yellow, Black, Natural, Blue, Red

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Threaded Protection Plugs - UNJ/UNJS Threads

In stock In production

These Threaded Protection Plugs for UNJ /UNJS 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 has an easy grip head for manual installation, making it quick and easy to install and remove. These caps are intended to be used with UNJ (Unified National Jet) and UNJS (Unified National Jet Short) threads. Used in various applications, including hydraulic, pneumatic, and general engineering.

  • Material: HDPE
  • Colour: Red

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Threaded Protection Plugs - Wide Flange

In stock In production

These Wide Flange Threaded Protection Plugs protect threads and fittings from damage during production, storage, and shipment, ensuring they remain in good condition and ready for use. Their nitrile gasket seals the plug to the mating surface for leak-tightness. The protection plug protects from contaminants like dirt, dust, debris, and moisture from the hole.

Its wide flange design keeps any paint flakes from the hole when removed. It is easy to install or remove by hand, screwdriver, or torque wrench. Due to its Nylon material, it is recommended for intermittent temperatures from -40C to +100C. Used in various applications, including hydraulic, pneumatic and general engineering industries.

  • Material: Nylon
  • Colour: Yellow

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Threaded Sealing Caps - UNF Threads

In stock In production

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

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Threaded Sealing Plugs - UNF Threads

In stock In production

These Threaded Sealing Plugs for UNF are designed with a double sealing ring on the underside of the flange to provide a secure and reliable seal. The nylon material absorbs paint, minimising paint flaking and protects from contaminants like dirt, dust, and debris, not trapping liquid 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, Allen key or socket. Due to its material, it is capable of withstanding temperatures in the range of -40F to 320F | -40C to 160C. Used in various applications, including hydraulic, pneumatic and general engineering industries.

  • Material: Nylon
  • Colour: Yellow

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