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Countersunk Round Metric Threads

 (29 product groups)

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Allen Screw Caps

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  • Used to conceal and protect Allen head screw from dust, dirt and damage.
  • It can help reduce noise and vibration by providing a more secure fitting.
  • Used in electronics, or furniture industries.
Material: LDPE Colour: Black Series Code: SR1805

Banjo Bolt Caps

A Protection Cap and Retaining Washer in a single unit. These Banjo Bolt Caps hold everything together during assembly, storage and shipping.

A highly versatile cap that will protect your application against damage and the ingress of dirt. The product is also supplied with bridged retaining loops. The caps are easy to grip, even when wearing gloves and are available in a choice of sizes to suit your project needs.

  • Material: Low-Density Polyethylene (LDPE)
  • Colour: Black


Series Code :SR1083

Bolt Protection Caps

Bolt Protection Caps conceal and protect bolt heads and nuts against weathering. Ideal for bolt heads, screw heads and nuts. They create an enhanced finished appearance and are a great choice for outdoor applications.

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

Available in a variety of colours.

  • Protects joint fasteners against tampering and weathering.
  • Creates an enhanced finished appearance for your application.
  • Great choice for outdoor applications.
Material: LDPE Colour: Black, Green, Brown, Grey, White Series Code: SR1802, SRF0074

Collar Plugs

Collar plugs feature a self tapping design which makes them easy to install. Very durable due to their thick wall, they are difficult to dislodge and offer a secure connection.

Designed to protect your equipment from dust, debris and other external elements. Ideal for sandblasting and other applications in the construction and automotive industries.

  • Material: LDPE
  • Colour: Orange


Series Code :SR1160

Easy Pull Masking Caps

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


Series Code :SR1096, SR6119, SR5755, SR1066

Ezeplugs

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


Series Code :SR1055

Flexible End Caps - Standard

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
  • Series Code: SR1044

Flexible Vinyl Pull Tab Caps - High Temp

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.

  • Pull-tab design.
  • Unique design allows each cap to fit a wide range of diameters.
  • Easy fitting and removal.
Material: Flexible PVC Colour: Yellow Series Code: SR1072

High Temperature Tapered Plugs

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

Masking Pull Plugs

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


Series Code :SR1057, SR1094, SR6118, SR6117, SRF0060, SR5750, SR5749, SR5752, SR1028

Masking Washer Caps

A range of Masking Washer Caps that can be applied as a protective cap for threaded and non-threaded end tip.

Although the product is primarily designed as a cap, the integrated washer masks of grounding and also provides edge protection to ensures that the application hole is safe from contaminants and damage. This highly versatile masking solution can also be inverted and used to plug holes.

  • Material: Silicone (55 Shore A)
  • Maximum Temperature: 316 degrees C (600 degrees F)
  • Colours: Black, Green, Grey, Natural, Pink, Purple, Red and Yellow


Series Code :SR5756

Masking Washer Plugs

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


Series Code :SR1065, SR1092, SR5753

Masking Weld Nuts

Weld Nuts have a thread, and it is vital that this thread avoids getting powder coating or surface treatment on it. Our Masking Pull-Plug range is specially designed for masking non threaded or threaded through holes, and is ideally suited for the masking of Weld Nuts.

These Masking Weld Nuts feature a pull-tab that allows for quick and easy removal. The plug body has teeth that grip a thread; this ensures a positive fit that will keep the masking assembly secure. The silicone material that these Masking Weld Nuts are manufactured is chemical resistant and has elasticity to ensure a better fit for your application.

  • Material: Silicone
  • Colours: Black, Blue, Red and Yellow
  • Maximum Operating Temperature: 250C


Series Code :SRF0061

Push-In Plugs

Push-in Plugs are a practical choice for blanking a wide range of holes or bores during manufacturing processes or transportation, and can be applied to finished products. Designed to shield the handler from rough surfaces caused by sharply cut hole edges. The varied styles available in our range can also be used to protect against ingress of contaminants.

They are simple to install and uninstall with a single push. Used in various applications, including medical, automotive, food and beverage, and industrial machinery.

Protects against damage, dirt, moisture, and corrosion.

  • Shields the handler from rough surfaces caused by sharply cut hole edges.
  • Used in various applications, including medical, automotive, food and beverage, and industrial machinery.
  • Protects against damage, dirt, moisture, and corrosion.
Material: LDPE Colour: Natural, White, Black Series Code: SR1011

Round Vinyl End Caps

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.

Snap-on Bolt Caps

Bolt Caps with a simple and convenient snap-on design are a cost effective options that can be used to cover exposed screw, nuts, washers and bolts.

They improve the finished appearance, while providing protection against dirt, damage and long-term exposure to the surrounding environment.

Our range features two type options; Type 1 can be used to protect bolts, screws and nuts and Type 2 protects a washer in addition to the bolts, screws and nuts. Available to fit various bolt thread sizes - you are sure to find an option for your application.

  • Material: Low-Density Polyethylene (LDPE)
  • Colour: Black

Socket Screw Cover Caps

These Socket Screw Cover Caps cover and protect socket head screws from dust and dirt, while providing a quick and clean finish to internal hex screws.

Commonly used for the inside of UPS boxes when high voltage cables pass close to metal screw heads, which occurs when space is limited. The cap can be applied in order to prevent interference between the two, as the screw head needs to be isolated. They are also used in appliances, electrical applications and automotive.

  • Material: Silicone, LDPE
  • Colour: Black, White, Grey


Series Code :SR1628, SR1813

Soft Knurled Caps

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 Colour: Blue Series Code: SRF0010

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 Paper Caps

Tapered paper caps are a type of protective cap used to cover the ends of tubes, pipes or other cylindrical objects. They are made from a mixture of post-consumer and virgin materials, making them a recyclable option.

Ideal for painting and powder coating applications and can help prevent damage and contamination, ensuring that tubes and pipes are in good condition. It can withstand operating temperatures of up to 204 C.

  • Material: Crepe Paper
  • Colour: Brown


Series Code :SR6114

Tear Tab Caps

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


Series Code :SR1022, SR1033

Threaded O-ring Plugs - Metric Threads

Threaded O-ring Plugs for metric threads include a compressed flange lip and an O-ring to provide a watertight seal, for a superior leakage prevention, for hydraulic threaded fittings. Provides a tight seal and therfore prevents contaminant ingress from dirt, dust, debris, and moisture out of the aperture.

Can be installed using a spanner, screwdriver or by hand. Metric threads are available, with a cylindrical inner and outer diameter precise in millimetres. The fine taper of metric tapered thread allows for the best possible force transmission.Commonly used on hydraulic fittings, oil and gas, plumbing, and automotive sectors where leak-proof seals are crucial to system integrity.

  • Keeps contaminants like dirt, dust, debris, and moisture out of the hole.
  • Metric threads are available with a cylindrical inner and outer diameter precise in millimetres.
  • Used in oil and gas, plumbing, and automotive sectors.
Material: HDPE Colour: Yellow Material Flammability Standard: UL94 V-2, Series Code: SR1125

Threaded Protection Caps - Metric Threads

Threaded Protection Caps for Metric Threads threads and fittings protect threads and fittings from damage during production, storage, and shipment, ensuring that they remain in good condition and are ready for use when needed. The protection cap keeps 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. Suitable for Metric threads. Used in various applications, including hydraulic and pneumatic systems, automotive, and industrial applications.

  • Material: HDPE, LDPE
  • Colour: Yellow, Red, Natural


Series Code :SR1161, SR1018, SRF0015

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