Metric Threads

Threaded Plugs with Gaskets are intended to establish a tight and secure seal that prevents dust, dirt, or other undesired components from entering. The inclusion of a gasket (washer) seal improves sealing capabilities, adding an extra layer of protection against leaks and impurities.

Threaded Plugs are easy to install and remove from the application using a straight screwdriver, hex key or wrench. They can withstand temperatures from -30C up to +90C.

Frequently used in hydraulic and pneumatic systems, automotive, and general engineering sectors.

• Provides a tight seal, preventing contaminants from entering.

• Easy to install and remove using a straight screwdriver, hex key or wrench.

• Can withstand temperatures from -30C up to +90C.

Material: LDPE, Nylon 6, PA;TPE Colour: Red, Yellow, White Series Code: SRTFUGP, SRTFTG, SRF0012

A popular series of Parallel Protection Plugs with a tab design. Designed for effective protection during storage and transportation. Its primary function is to prevent damage, corrosion, dirt and moisture from entering and contaminating the internal part of a component. These plugs have an integrated tab that allows for quick and effortless removal, without the need for additional tools.

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: SRSTLLPCR

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

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: LDPE, LDPE - PIR Colour: Yellow, Orange, Red Series Code: SR1174, SR1068

Socket Screw Cover Caps protect socket head screws, preventing damage caused by corrosion and the ingress of impurities. They also add aesthetical appeal. Can tolerate temperatures ranging from -40C up to +150C. Used for automotive and electrical purposes.

• Used for the inside of UPS boxes when high voltage cables pass close to metal screw heads.

• Cover and protect socket head screws from dust and dirt, while providing a quick and clean finish.

• Used in appliances, electrical applications and automotive.

Material: Silicone, LDPE Colour: Black, White, Grey Series Code: SR1628, SR1813

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 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

High temperature Washer Plugs are designed to mask the surface around a threaded or plain hole, with an integrated washer and plug that function as a single item. Easy to install and remove; they ensure a snug fit and secure seal to prevent leakage or contamination. Capable of withstanding temperatures of up to 250C.

• It has an integrated washer and plug that allows them to function as a single item.

• Can withstand high temperatures of up to 250 degrees Celsius.

• Used for powder coating, painting, plating, sealing, automotive assembly, and electronics manufacturing.

Material: Silicone, EPDM Colour: Natural, Black, White, Grey, Dark Green, Yellow, Pink, Purple, Red Series Code: SR1065, SR1092, SR5753

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 for a secure and reliable seal.Designed with a double sealing ring for a secure and reliable seal.

• Protects from contaminants and ingress of moisture.

• Easy to install and remove by hand.

• SRF1007, SRF1005, SRF1117

Material: LDPE, PA, PE Colour: Yellow, Blue Series Code: SR1005, SR1007, SR1117

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

Side Pull Plugs have a conical design that provides effective general protection against damage, dirt, moisture and corrosion during manufacture, storage and transportation. The conical shape makes it an economical solution to fit within a range of dimensions. The push fit design with the pull tab allows an easy and fast removal, when the fitting is tight.

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: SRSTCL2PCR

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: TPE/TPV – PIR Colour: Black Series Code: SR1026

Ezeplugs are designed to seal and secure threaded holes. They feature a central or lateral pull tab for easy insertion and removal. Available in multiple sizes; they can protect over 25 imperial or metric thread sizes against damage, dirt, moisture and corrosion during storage and shipping. The flexible pull tab makes removal straightforward.

• Includes a central or lateral pull tab that allows them to be easily inserted and removed from threaded holes.

• 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.

Material: LDPE Colour: Red Series Code: SR1055

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

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 - PIR, LDPE Colour: Red Series Code: SR1009

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

Side Pull Plugs are a type of plug that features an intergral side pull tab, and is designed for easy removal in awkward locations. Designed to protect threaded or non-threaded holes during production, storage, and transportation. Offers protection against dust, dirt, damage, moisture, acid, and corrosion.

The side pull tab is designed for quick and easy removal, and provides additional help when removing the part from a tightly fitted application. It can withstand temperatures from -40F to 275F (-40C to 135C).

Used in various applications, including machinery, electronics, automotive, and HVAC systems.

• Protects against dust, dirt, damage, moisture, acid, and corrosion.

• Withstands temperatures from -40F to 275F (-40C to 135C).

• Tapered design allows the part to plug multiple inner diameters.

Material: LDPE, TPE Colour: Yellow, Natural, Blue Series Code: SRSTCL2, SR1053, SR1110

Flexible Vinyl Pull Tab Caps are suitable for both plain and threaded applications. Fits a variety of sizes. Is able to endure wear, and temperatures of up to +210ºC. Easy to install. Compatible with Metric, UNF and BSP thread sizes.

• Flexible Caps are suitable for plain or thread applications and the unique design means they fit a range of diameters.

• Feature a pull-tab,and star shaped design.

• Easy fitting and removal.

Material: PVC Colour: Black Series Code: SRF0077

Tapered Paper Caps are perfect for paint and powder coating applications. Made from a blend of post-consumer and virgin materials. Can sustain operating temperatures of up to +205C.

• Tapered Paper Caps are a type of protective cap, that can withstand temperatures up to 204 C.

• Ideal use for end of tubes, pipes or other cylindrical objects.

• Made from a mixture of post-consumer and virgin materials, making them a recyclable option.

Material: Crepe Paper Colour: Brown Series Code: SR6114

Masking Washer Caps are intended as caps with an additional washer to hide grounding or plug holes, when inverted. Protects against solvents, abrasives, and suitable for temperatures of up to +250ºC.

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

• Integrated washer masks of grounding and also provides edge protection.

• Can also be inverted and used to plug holes.

Material: Silicone Colour: Grey, Natural, Purple, Yellow, Black, Red, Pink, Green Series Code: SR5756

Snap Fit Plugs effectively protect against contaminants such as dirt, dust and moisture for a variety of applications during manufacture, storage and transport. Slight pressure snaps the plug into an internal rib to make a secure seal. The cross-head feature allows removal with a tool that twists the part out.

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: SRTFUPPCR

Uniscrew caps are designed to provide a flush and seamless appearance. They are connected to a washer by a hinge that folds neatly when inserted into the cap. Easy to install with a push fit. Protects against damage, moisture and corrosion.

• Protects against damage, dirt, moisture and corrosion during storage and shipping.

• Connected to a washer by a hinge that folds neatly when inserted into the cap.

• Used in furniture assembly, automotive interiors, and electrical equipment.

Material: PP Colour: Black, White Series Code: SR1807

Banjo Bolt Caps are protective caps with a retaining washer to hold and protect banjo bolts from dirt and damage. They are easy to grasp, even while wearing gloves. Ideal for assembly storage and transportation.

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

• Protects against damage and dirt ingress.

• Easy to grip, even when wearing gloves.

Material: LDPE Colour: Black Series Code: SR1083

A popular series of Parallel Protection Plugs that provide a wide range of protection during storage and transport. Its primary function is to prevent damage, corrosion, dirt and moisture from entering and contaminating the internal part of a component. The push-fit plug can be removed easily with its flange, which provides an effective grip.

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: SRSTPCR