Threaded Caps & Plugs
(20 product groups)
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Stocked in numerous threads such as Metric, BSP and UNF, our threaded caps and plugs are used across many different industries including the automotive and engineering. Manufactured in various materials such as HDPE and LDPE, our range boasts a large mix of thread sizes and colours dependant on your application requirements. Check out our Design Engineers Guide to Caps & Plugs for more information.
Filter Products
Anti-Vibration Plugs - LDPE
Anti-Vibration Plugs are ideal for BSP hydraulic fittings. The notched thread design allows our anti-vibration plugs to prevent parts coming loose during movement. These hydraulic plugs are manufactured in a transparent colour allowing easy inspection of fitted O-rings
Gas Cylinder Valve Plugs
Our Gas Cylinder Valve Protectors, developed in conjunction with major European gas companies, protect industrial gas valves from ingress of dust and dirt. The yellow LDPE Gas Cylinder Valve Protectors are tamper evident, and feature a unique vent flap which allows safe release of gas following accidental opening of valve
LPG Plugs
Developed with the LPG industry, LPG Plugs help prevent dangerous gas leaks. Developed with the LPG Industry, the plugs are designed to meet LP Gas Association Code of Practice 15: Part 2. Profiles are strapped to help prevent loss and for ease of replacement and marked with direction of fitting / removal.
Slottex Plugs
Slottex Plugs are screw on protection plugs that can be applied or removed with screwdriver, spanner or socket. They can be tightened manually or with power tool. The range cover a large offering of dimensions suitable for Metric threads, BSP threads and UNF threads.
Snap Fit Plugs
Snap Fit Plugs have a single turn providing tight fit once pushed into position. The plug is design with a centre tab to allow a strong grip for tightening and easy removal. The range is suitable for Metric, BSP and UNF threads.
Threaded O-ring Plugs - BSP/Gas Threads
Threaded O-ring Plugs - BSP/Gas Threads can be applied or removed by hand, hex wrench or screwdriver. The O-ring provides a water tight seal for superior leakage protection. Customers also purchased Ring Seals - O-Ring.
Threaded O-ring Plugs - Metric Threads
Threaded O-Ring Plugs are equipped with a compressing flange lip and O-ring for a watertight seal and superior leakage protection for hydraulic threads. Can be applied and removed by hand, wrench, socket, or screwdriver. Available in Metric, UNF and BSP Gas threads.
Threaded O-ring Plugs - UNF Threads
Threaded O-Ring Plugs are equipped with a compressing flange lip and O-ring for a watertight seal and superior leakage protection for hydraulic UNF threads. Can be applied and removed by hand, wrench, socket, or screwdriver. Customers also purchased Ring Seal Kits - O-Ring.
Threaded Protection Caps - BSP/Gas Threads
These Polyethylene Threaded Protection Caps are used throughout the automotive, fluid power and engineering industries. They protect threaded components from dust, moisture and damage. They are suitable for BSP/Gas threads. Our range is available in Yellow or Red and a wide choice of sizes, to suit your application needs.
Threaded Protection Caps - Metric Threads
These Polyethylene Threaded Protection Caps are used throughout the automotive, fluid power and engineering industries. They protect threaded components from dust, moisture and damage. They are suitable for Metric threads. Our range is available in Yellow or Red and a wide choice of sizes, to suit your application needs.
Threaded Protection Caps - UNF/JIC Threads
These Polyethylene Threaded Protection Caps are used throughout the automotive, fluid power and engineering industries. They protect threaded components from dust, moisture and damage. They is suitable for UNF/JIC threads. Our range is available in Yellow or Red and a wide choice of sizes, to suit your application needs. You may also be interested in our range of Metric Threaded Caps.
Threaded Protection Plugs - BSP/Gas Threads
Threaded Protection Plugs - BSP/Gas Threads are widely used in hydraulic, pneumatic and general engineering industries. They come with a knurled head to easily grip the head and they offer an excellent protection from dirt, moisture and corrosion. They are available in UNF, NPT, Metric and BSP/Gas threads.
Threaded Protection Plugs - Metric Threads
Threaded Protection Plugs - Metric Threads are widely used in hydraulic, pneumatic and general engineering industries. They come with a knurled head to easily grip the head and they offer an excellent protection from dirt, moisture and corrosion. They are available in UNF, NPT, Metric and BSP/Gas threads.
Threaded Protection Plugs - NPT Threads
Threaded Protection Plugs - NPT Threads are widely used in hydraulic, pneumatic and general engineering industries. They come with a knurled head to easily grip the head and they offer an excellent protection from dirt, moisture and corrosion. They are available in UNF, NPT, Metric and BSP/Gas threads.
Threaded Protection Plugs - Quick Fit
Threaded Protection Plugs - Quick Fit are widely used in hydraulic, pneumatic and general engineering industries. They come with a knurled head to easily grip the head and the short thread allows a quick fit on the part. Suitable for Metric, BSP and UNF thread sizes.
Threaded Protection Plugs - UNF Threads
Threaded Protection Plugs - UNF Threads are widely used in hydraulic, pneumatic and general engineering industries. They come with a knurled head to easily grip the head and they offer an excellent protection from dirt, moisture and corrosion. They are suitable for UNF threads.
Threaded Protection Plugs - Wide Flange
Wide Flange Threaded Protection Plugs are made of nylon to absorb paint and keep flaking at a minimum avoiding contamination upon removal. The nitrile gasket seals the plug to the mating surface for a watertight seal.
Threaded Sealing Caps - BSP/Gas Threads
HDPE Threaded Sealing Caps are used throughout the automotive, fluid power and engineering industries. They are recommended to be tightened by hand although the hexagonal head enables the cap to be applied or removed by spanner or socket at a low torque. The cap is fitted with an internal neoprene rubber sealing disk to limit fluid leakage. Suitable for BSP/Gas threads. Our range is supplied in Yellow, with lots of size options available.
Threaded Sealing Caps - Metric Threads
Yellow Polyethylene Metric Threaded Sealing Caps are fitted with an internal neoprene rubber sealing disk to limit contamination from deposit and entry of particles. They are suitable to protect metric threads. While hand tightening is recommended, the cap can be applied or removed by spanner or socket at a low torque. Our range offers a choice of sizes to suit your needs.
Threaded Sealing Caps - UNF Threads
These Polyethylene UNF Threaded Sealing Caps protect and limit fluid leakage. They are resistant to solvents and reduce potential shearing. A neoprene sealing disk limits fluid leakage and the hexagonal head can be tightened by a wrench or socket at low torque but is hand tightening is recommended. Our range is available in Yellow or Red. You may also be interested in our range of Metric Thread Sealing Caps and our selection of Threaded Plugs.