Threaded Metric Threads

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, TPR Colour: Yellow, Black, Orange, Red Series Code: SR1174, SR1067, SR1068

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: Silicone, LDPE, TPE, TPR Colour: Grey, Natural, Yellow, Clear, Pink, Red, Black Series Code: SR5754, SR1024, SRCTLTPE, SR1116, SR1124, SR1025, SR1026

Parallel protection plugs are general-purpose plugs that are used to protect a variety of applications.

The thermoplastic elastomer range is recommended for applications where resistance to acid is required. The PVC range is highly resistant to shredding and therefore ideal for threaded applications. The green vinyl range works well with applications where oils and greases are present.

Features a parallel or straight wall design that ensures a secure and snug fit while preventing contaminants, damage, dirt, corrosion, moisture, and debris during storage and transportation.

• Parallel design ensures a secure and snug fit that prevents contaminants, corrosion, and debris during storage and transportation.

• Easy to install and remove, and provides a neat finish.

• Suitable for various applications including automotive, manufacturing, and commercial.

Material: LDPE, TPR, TPE, PVC, Vinyl Colour: Natural, Black, Red, Green Series Code: SR1015, SR1067, SRSTG, SRSTLL, SR1014, SR1013, SRF0000

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

Push Fit End Caps are a simple and economical way of protecting metric and UNF threads during painting, assembly or transportation. They 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, , LDPEColour: Blue, , RedMaterial Flammability Standard: Series Code: SRCFBTPE, SRCFB

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

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: Blue, Yellow, Natural Series Code: SR1110, SRSTCL2, SR1053

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, PEColour: Yellow, BlueMaterial Flammability Standard: Series Code: SR1005, SR1007, SR1117

These Snap Fit Plugs are designed to facilitate the application and removal on a component. They protect the aperture from ingress of contaminants like dirt, dust, and debris.

Easy to install and remove; once pushed into position, a single twist provides a secure and snug fit. A central tab at the top provides a strong grip for tightening and removal. The range is suitable for hydraulic fittings with Metric, BSP, UNF, and JIC threads.

Each plug covers a range of different thread sizes and styles.

• Easy to install and remove. Once pushed into position, a single twist provides a secure and snug fit.

• Features a central tab at the top that provides a strong grip for tightening and removal.

• Suitable for Metric, BSP, and UNF threads.

Material: LDPE Colour: Red, Yellow, Blue Series Code: SR1010, SRTFUP, SR1119, SR1008

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: TPEColour: BlueMaterial Flammability Standard: Series Code: SRF0010

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

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: LDPE Colour: Yellow, Red, Blue Series Code: SRF0030, SR1001, SR1115

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 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, PA6, PA;TPE Colour: Red, Yellow, White Series Code: SRTFUGP, SRTFTG, SRF0012

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

Threaded Protection Plugs for Metric Threads protect threads and fittings from damage during production, storage, and shipment, ensuring they remain in good condition and ready for use when needed. The protection plug protects 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 onto the pipe or tube. Ideal for Metric thread applications exposed to high fluid flow residue and vibration. Used in various applications, including hydraulic, pneumatic and general engineering industries.

• Material: LDPE
• Colour: Red

Series Code :SR1002

• 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:


Series Code :SR1009

These Threaded Sealing Caps for Metric 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. They are suitable to protect metric threads and are used in various applications, including hydraulic, pneumatic and general engineering industries.

• Material: HDPE
• Colour: Yellow
• Series Code: SR1126