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Round UNF Threads

 (25 product groups)

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Bolt Protection Caps

In stock In production

Bolt Protection and Nut Protection Caps protect joint fasteners against tampering and weathering. Ideal for bolts, screws, nuts and washers - they also create an enhanced finished appearance for your application.

Our bolt protect caps range is supplied in a wide choice of sizes to suit multiple applications. These caps are available to fit either Imperial UNF, Metric ISO 4017 or DIN 933 standard bolts.

  • Materials: Low Density Polyethylene (LDPE)
  • Colours: Black, Grey and White

Customers that purchase our snap-on bolt and nut protection caps regularly buy our Hexagonal Head Screws too.

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Centre Pull Plugs

In stock In production

The Centre Pull Plug easily plugs into a threaded or non-threaded hole. Due to the tapered design, is can be used to plug multiple inner diameters. These plug offers a snug and secure fit that prevents undesired substances from entering the open tube or hole, protecting internal components and ensuring optimal performance.

The integrated centre tab is designed for quick and easy remova, by pulling the tab upwards. The plug protects against damage, dirt, moisture, and corrosion during storage and shipping.

Used in various applications.

  • Tapered design means plug is suitable for multiple inner diameters.
  • The integrated centre tab is designed for quick and easy removal and installation by hand and with a tool.
  • Used in various applications, including electrical cables in machinery, equipment, and control panels.
Material: EVA, PE-LD, TPR
Colour: Yellow, Black, Orange, Red
Material Flammability Standard:

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Easy Pull Masking Caps

In stock In production

Easy Pull Masking Caps provide optimum protection for end tip profiles, such as rods, pipes and tubes during manufacturing processes. Typical applications include; anodizing, blasting, powder coating, e-coating, plating and general paint lines.

This range has several style options, include a range with a flanged design and an internal seal that provides a secure fit or options that feature an ergonomic finger pull-tab for easier removal.

These caps are easy to fit; to ensure the best possible fit, the inside diameter dimension should be approximately 10 percent smaller than the outside diameter of the part being masked.

Our range is available in different material options with various beneficial properties. Silicone is a premium masking material with high temperature and chemical resistance. EPDM is a more economical material option with lower heat resistance. Both Silicone and EPDM options can be used multiple times. Whereas, Soft PVC is a more economical solution also with chemical resistance, a reduced heat resistance and is for one-time uses.

  • Materials: Silicone Rubber 600F (316C) EPDM 425F (218C) and Soft Polyvinyle Chloride (PVC) 425F (218C)
  • Colours: Natural, Black and Yellow
  • Hardness: Durometer (Shore A) 55 + 5 and 85 +/–2

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Ezeplugs

In stock In production

Ezeplugs are used to seal and secure threaded holes. They include a central or lateral pull tab that allows them to be easily inserted and removed from threaded holes. Several sizes are available to protect over 25 different imperial and metric thread sizes. It protects against damage, dirt, moisture, and corrosion during storage and shipping.

It is simple to install with the patented quick-fit design and locks the plug in place with a simple push. It also has a sturdy and flexible pull tab that makes removing it easy. Used in various applications, including industrial machinery, control panels, electrical panels, and other equipment.

  • Material: LDPE
  • Colour: Red

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Flanged Caps

In stock In production

Flanged Caps are designed for easy assembly and removal, either with automated equipment or by hand. Typically used to protect metric or imperial threads, with or without O-Rings. The larger flange allows for faster application and removal when using it by hand.

For the purpose of quality control; the natural coloured caps allow you to see through the cap and check whether the O-ring is installed, or not installed, on the protected fitting.

Provides a snug and secure fit.

  • Designed to cover and protect threads.
  • Protects from damage, dirt, and moisture.
  • Used in the automotive and engineering industries.
Material: PE-LD, TPE, Silicone, PE, PVC, TPR
Colour: Black, Yellow, Natural, Pink, Red
Material Flammability Standard:

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Flexible End Caps - Standard

In stock In production

Our range of Flexible End Caps come in a variety of sizes that are suitable for Metric, BSP and UNF threads. These Flexicaps are durable making them an ideal choice for a multitude of uses.

The attractive vinyl appearance makes them a great choice for finished products. Thanks to their versatility they have a broad range of uses that include; thread protection, dust and moisture control, pipe and stud end colour coding and masking during paint and plating operation.

The flexible PVC (90 Shore) material can withstand high operating temperatures and can be stretched up to 15 percent larger than then manufactured diameter. The specially formulated PVC is unaffected by weather, oxidation, oils and moisture.The caps are extremely pliant and provide excellent chemical resistance. They can also be glued to other PVC items.

They are an economical solution for one-time uses.

  • Material: Polyvinyl Chloride (PVC)
  • Colour: Yellow
  • Finish: Gloss

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Flexible Vinyl Pull Tab Caps - High Temp

In stock In production

High Temperature Flexible Caps with an ergonomic-friendly pull-tab design for easy fitting and removal. Suitable for use on threaded or plain applications.

The unique design fits a range of applications and thread sizes including Metric, UNF and BSP. The range includes options with a six-sided design.

  • Material: Flexible Polyvinyl Chloride (PVC)
  • Colour: Yellow

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High Temperature Tapered Plugs

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This range of high temperature masking plugs features Silicone Rubber Tapered Plugs, EPDM Tapered Plugs and other Tapered Rubber Plugs made from Thermoplastic Rubber (TPR).

This extensive range of Tapered Plugs is available as a solid plug or with a hollow core, to aid in compression. Solid and hollow core options are available in our EPDM and High Temperature Silicone Plugs ranges. The hollow centre provides a cost-effective solution for larger sizes. The hollow design is more flexible than solid plugs, and allows for easier application.

Our Tapered Rubber Plug range features Univesal Plugs made from TPR. The tapered plug is designed to mask holes without masking the surrounding areas, and a pull tab allows for easy installation and removal. Suitable for temperatures up to 125C.

  • Colours: Black, Blue, Green, Natural, Pink, Red and Yellow
  • Simple push-fit design

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Masking Pull Plugs

In stock In production

Masking Pull Plugs, also known as silicone masking plugs, are plugs used to mask threaded and non-threaded holes. They resist chemicals, dust, dirt, temperature changes, and abrasion. Furthermore, the pull tab simplifies installation and removal, allowing for smooth insertion and a secure fit that avoids undesired leaks or seepage.

The reusable material used in these plugs allows for various uses, reducing the need for frequent replacements and contributing to waste reduction. They can resist temperatures of up to 250 degrees Celsius and are used in various applications, including powder coating, sealing, automotive assembly, and electronics production.

  • Material: Silicone, EPDM, Silicone Rubber, TPR
  • Colour: Natural, Black, Clear, Red, Grey, White, Purple, Green, Pink, Orange, Yellow, Blue

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Masking Washer Plugs

In stock In production

These High Temperature Washer Plugs are used to mask the surface around a threaded or plain hole, with an integrated washer and plug that allows them to function as a single item. They are long-lasting and resistant to chemicals, temperature changes, and abrasion.

These plugs are simple to install and remove, and their design assures a snug fit, a secure seal, and the prevention of leakage or contamination. They can withstand high temperatures of up to 250 degrees Celsius and are used in various applications such as powder coating, painting, plating, sealing, automotive assembly, and electronics manufacturing.

  • Material: Silicone, EPDM
  • Colour: Grey, Natural, Black, Clear, White, Dark Green, Yellow, Pink, Purple, Red

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O-Ring Face Seal Caps

In stock In production

Our range of O-Ring Face Seal Caps are designed to protect O-Ring face seal connectors that are used on hydraulic connections.

The cap design features a longer overall length for added protection from the ingress of dirt and other contaminants. They also include a moulded retaining ring at the bottom that snaps under the connector to keep it securely in place during transit and processing.

Our range is suitable for both UNF and JIC thread sizes.

  • Designed for the protection of O-Ring face seal connectors used on hydraulic connections.
  • Features a longer overall length for added protection.
  • Suitable for UNF and JIC threads.
Material: PE-LD, LDPE
Colour: Black, Blue
Material Flammability Standard:

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Pull Tab Caps

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Pull Tab Caps are designed to protect applications from contamination and spillages. The pull tab design provides more surface contact area, requiring less gripping force during installation and removal.

The tabs are particularly usefull in applications requiring fast removal during mechanical process and for this reason are a popular choice across various industries.

The flexibility of the materials used allows for a tight fit on to applications. The addition of the tab makes them an essential selection.

  • Designed to protect from contamination and spillages.
  • Flexible design means it can strech on to slightly larger dimensions for a snug fit.
  • Used in the food industry, industrial applications, or storage applications.
Material: PE-LD, EVA, PVC
Colour: Yellow, Black, Red
Material Flammability Standard:

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Round Vinyl End Caps

In stock In production

Vinyl End Caps, commonly known as Flexicaps or PVC End Caps. A round cap that protects the outside diameter of threaded or non-threaded tubes, rods, pipes or paper tubes. The vinyl material can stretch on to larger dimensions for a tight fit without tearing, splitting or shredding.

These round vinyl end caps include a red flexible Polyvinyl Chloride (PVC) 60 Shore version, which is made from softer and more flexible material that allows for easy fitting. The bright red colour offers high visibility, thus reducing health and safety risks. Also included is a black PVC 80 Shore version that is more rigid than the red option. Also available is a glossy, dip-moulded round end tip that has a smooth finish. Durable round plastic end caps for round tubing are ideal product presentation and protection.

These vinyl caps provide a high-gloss, attractive finish making them ideal for use as decorative end caps. The flexibility and durability allows suitable fit for multiple applications. They can be used as a mask for coating, plating and paint applications, where the maximum temperature is not higher than 350F.

  • Simple push-fit design.

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Slottex Plugs

In stock In production

Slotted Plugs are designed with a double sealing ring on the underside of the flange that provides a secure and reliable seal. The design includes five complete threads for a secure fit. Offers protection from dirt, dust, debris, liquid residue and corrision. Head designed not to trap liquid when the plug is secured in place.

These Sealing Plugs are easy to install and remove by hand. The hex head design allows the plug to be applied or removed with a screwdriver, spanner, Allen key or socket. The range covers an extensive offering of dimensions suitable for Metric, BSP, and UNF threads.

Used in various applications, including hydraulic, pneumatic, and general engineering industries.

  • Designed with a double sealing ring to provide a secure and reliable seal.
  • Protects from contaminants and prevents liquid and moisture from getting trapped in the hole.
  • Easy to install and remove by hand.

Material: PA, HDPE
Colour: Yellow, Blue

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Soft Knurled Caps

In stock In production

Soft Knurled Caps are a simple and economical way of protecting metric and UNF threads during painting, assembly or transportation. They have a knurled exterior and are manufacured from a soft, durable TPE that provides a better grip and a tight fit. Protects pipe ends from damage, and keeps dirt and debris out.

Easy to install and remove. They can operate in a temperature from -60 C up to 135 C.

Commonly used in plumbing, HVAC, and industrial applications.

  • Simple and economical way of protecting metric and UNF threads.
  • Easy to install and remove.
  • Operatures in temperatures from mimimum -60 C up to maximum 135 C.
Material: TPE, , PE-LD
Colour: Blue, , Red
Material Flammability Standard:

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Stud Protection Caps

In stock In production

Stud Protection Caps are used to protect BSP and UNF threads. Designed with a small flange to allow the operator to tighten it with a socket spanner without having to remove the cap.

It increases protection against contaminants and limits wasted time during repetitive operations. It also allow economical handling.

  • Material: Polyethylene (PE)
  • Colour: Natural

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Tapered Caps & Plugs - Standard

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Tapered Plastic Plug Caps have two functions; plug and cap.

The Tapered Plug is used to plug the end of tubing, pipes, and bars. Tapered Pipe Plugs are desiged to fit snugly on to the end of a tube to keep liquid, dirt and other ingres out of the cavity - or indeed to help retain the contents that is within. Alternatively, Cap Plugs can be used as Tapered Caps. The Tapered Cap fits neatly over the outside diameter at the end of a tube, pipe or bar. This prevents dirt, dust, moisture, liquids and other contaniments from entering the cavity opening during manufacturing, masking, storage, and transportation.

Our Tapered Cap Plug range is made from Low Density Polyethylene (LDPE). This durable Plastic Plug Caps material protects the application from damage, as well as offering corrosion resistance.The Tapered Plug Caps range is suitable for a wide range of hole diameters, so you're sure to find a solution to suit your project requirments.

These Plug Caps are available in a choice of colour options, including; Black, Blue, Clear (Transparent), Red and Yellow.

  • Quick and Easy to install with a simply push-fit design.

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Tapered Caps & Plugs - Wide Flange

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Wide Flange Tapered Caps and Plugs offers additional protection to the surrounding area on the bearing surface. The wider flange keeps the part from being accidently pushed down through the mating part. Designed to be used as a plug or a cap. The tapered profile allows the part to plug muliple inner diameters or cap multiple outside diameters.

These dual function components are typically used to protect against damage, dirt, moisture, and other corrision during storage and shipping.

Featureing a straight forward push-fit design, they are easy to insall and remove.

  • Prevents the plug from being accidentally pushed down through the contact piece.
  • 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, chemical or medical industries.
Material: PE-LD
Colour: Red, Blue
Material Flammability Standard:

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Tear Tab Caps

In stock In production

Tear Tab Caps are a standard, off-the-shelf solution that will allow you to meet your customers demands without those all too common time delays.

Tear Tab Caps are quick-fit and quick-release caps. As a rapid solution, they can be easily fitted and removed across an array of applications, including; critical hydraulic tubes and pipes, such as those that carry oils and other fluids around vehicles and machineries. This makes them an ideal choice for the specialist vehicle manufacturing industry, and other automotive and manufacturing sectors.

Tear Tab Caps also assist in the protection of tube and pipe ends during transportation and storage. They protect parts from damage, dirt, moisture and other forms of ingress. These caps are highly versatile, and ideal for a range of applications and different threads, including; BSP, GAS, UNF, JIC and NPT.

Made from Low Density Polyethylene (LDPE), the caps feature a simple tear-away tab for quick release, and fast removal. The ease of extracting the Tear Tab Cap from the hydraulic pipework makes the removal process faster. By simply pulling the tab, the cap splits open, tearing away.

The LDPE material is tough and flexible. They provide many of the advantages of PVC caps, such as integrity and cleanliness.

  • Colours: Blue, Natural and Yellow
  • RoHS Compliant

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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, HDPE
  • Colour: Yellow, Black, Red
  • Material Flammability Standard: UL94 V-0

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Threaded Protection Caps - UNF/JIC Threads

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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: Nylon, HDPE, LDPE
  • Colour: Red, Yellow

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Threaded Protection Plugs - Quick Fit

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  • Its ergonomic pull tab makes it simple to install and remove.
  • It is offered in either Silicone, a reusable high temperature resistant material, or EPDM, a reusable and cost-effective material with less heat but excellent chemical resistance.
  • Used in various applications, including hydraulic, pneumatic and general engineering industries.
Material: PE-LD
Colour: Red
Material Flammability Standard:

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Threaded Protection Plugs - UNF Threads

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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

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Threaded Protection Plugs - Wide Flange

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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

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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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