Round Plastic UNF Threads

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, White, Grey, Green, Brown Series Code: SRF0130, SR1802, SRF0074

Easy Pull Masking Caps are intended for masking parts during anodising, blasting, powder coating, e-coating, plating, and ordinary paint applications. Available in a variety of materials with a wide range of benefits. Silicone is a high-quality masking substance that can withstand high temperatures. EPDM is a less expensive compound that is less heat resistant.

• 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.

• 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.

Material: EPDM, Silicone, PVC Colour: Black, Natural, Clear, Yellow Series Code: SR1096, SR6119, SR5755, SRF0079

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

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: TPE, LDPE Colour: Yellow, Natural Series Code: SRCTLTPE, SR1116

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 flanged caps shield openings from contaminants and damage in extreme heat conditions. These caps are built to withstand high temperatures, while maintaining their structural integrity, and sealing properties.

A flanged design extends beyond the edge of the component, providing additional coverage. Provides a secure grip for easy application and removal, even in challenging conditions.

Used in the automotive and manufacturing industries, as well as applications requiring metal finishing.

• Designed to protect threaded or non-threaded ends of pipes, tubes, and fittings. Typically used to for metric or imperial threads, both with and without O-rings.

• Simple installation and removal, either with automated equipment or by hand.

• Designed to withstand high temperatures.

Material: Silicone Colour: Yellow, Grey, Clear, Pink Series Code: SR5754

Stud Protection Caps protect threaded studs and bolts against damage, contamination, and corrosion. These caps are designed to resist severe temperatures without losing structural integrity or sealing characteristics.

The studded construction protects against injuries from protruding threaded rods.

Used in the automotive and manufacturing industries, as well as in applications that need metal polishing.

• Provides general protection during manufacture, storage, and transportation even in severe temperatures.

• Simple installation and removal, either with automated equipment or by hand.

• Ensures a snug fit.

Material: TPR Colour: Black Series Code: SR1026

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, 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

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

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: PVC, EVA Colour: Black, Yellow, Red Series Code: SR1066, SR6110

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

Quick Fit Connector Caps are designed for easy and secure connections to connectors, fittings, and ports.

Provides reliable protection against contamination, moisture, and physical damage. Their reusability and durability make them a cost-effective option for both temporary and long-term protection.

Used in a variety of sectors, including automobiles, manufacturing, and hydraulics.

• Flexible and ergonomic design ensures a snug fit.

• Simple installation and removal, without the need for tools or complicated processes.

• Resistant to impacts, chemicals, and temperature fluctuations.

• They can be reused.

Material: LDPE Colour: Yellow Series Code: SRQCF

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

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

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

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

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

Series Code :SR1002, SR5762, SR1077, SRF0029

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

Series Code :SR5761

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