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Thread Protection End Caps

 (10 product groups)

Plastic thread protector caps are a type of threaded cap designed to provide excellent protection to your applications. These threaded caps are commonly used in automotive, fluid power and general engineering industries to protect threaded components, removing potential threat from dirt, ingress and moisture. In addition they are often used as pipe covers and tube ends and are the perfect solution for covering threads whilst in transit, transportation and storage.

Benefits of using Thread Protection Caps & Plugs:

Some of the benefits, to mention just a few are that these thread covering caps are easy fitting, easy removal and easy handling. They feature an easy grip head to allow for fast and efficient screwing on and off of the application.

Materials

  • LDPE (low density polyethylene)
  • Plastic
  • PVC
  • HDPE

Applications and Uses

  • Hydraulic and Pneumatic
  • Transit & Storage
  • Pipe End Protection
  • Masking & Powder Coating
  • Sealing
  • Tube Ends

We stock threaded and non-threaded caps in various thread styles and sizes such as BSP threads, metric, NPT, JIC, UNC, UNF and more.

List Grid

Flanged Caps

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

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 - Standard

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

The central pull-tab, coupled with the unique star shaped design makes fitting and removal quick and easy. They are suitable for Metric, UNF and BSP thread sizes.

  • Material: Flexible Polyvinyl Chloride (PVC)
  • Colour: Black
  • Series Code: SR1072

Non-Threaded End Caps

Non-Threaded End Caps are ideal to securely protect non-threaded or threaded tubing, pipe or rods. Keeps out dirt, debris, and other contaminants. Has some abrasion resistance, which keeps the mating part safe during storage and shipping. Can also be used for masks in painting, plating or sand blasting applications.

Quick and easy to install and remove.

Can be used for plumbing, HVAC, and industrial applications.

  • Securely protects threaded or non-threaded tubing, pipes, and rods.
  • Quick and easy to install and remove.
  • Used for plumbing, HVAC, and industrial applications.
Material: PE, PP, LDPE Colour: Yellow, Black, Grey, Natural, Blue Series Code: SRF0023, SR1062

Ribbed Pipe End Caps

Ribbed Pipe End Caps are ideal for protecting threaded or non-threaded pipes, tubes or rods. In addition it is used to shield or mask areas during the painting process, as well as preventing dirt, dust, or debris from entering.

It is easy to install and remove, and it can withstand a maximum temperature of 79.4C. Designed for plumbing, HVAC, and industrial applications.

  • Material: LDPE
  • Colour: Red, Yellow


Series Code :SR1046

Round End Caps - Standard

Standard Round End Caps are non-threaded and available in a wide range of sizes. They are ideal for protecting threaded or non-threaded tubing, pipes and rods. Standard, short and long caps are available. The short versions are for general purpose closure and the long versions have an extra depth and feathered edge which ensure a tight fit. The design of these longer caps helps to prevent accidental displacement.

  • Material: PE, PP
  • Colour: Yellow, Black, Grey, Natural

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.

Standard Round End Caps

Standard Round End Caps are used to securely protect threaded or non-threaded tubing, pipes, and rods during transportation, a paint process or on a finished product. It prevents dirt, debris, dust and other contaminants from damaging the tubes.

These caps are easily applied by pushing onto the application and can be re-used upon removal. They are used for industrial, HVAC, and plumbing applications and can withstand temperatures up to 70C.

  • Material: LDPE
  • Colour: Natural, Red

Stud Protection Caps

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

Tube End Caps

Tube End Caps offer ideal protection for threaded or non-threaded tubing, pipes and rods. Standard, short and long caps are available. The short versions are for general purpose closure and the long versions have an extra depth and feathered edge that ensure a tight fit. The design of these longer caps helps to prevent accidental displacement. Tube End Caps serve the same purpose as Heat Shrink End Caps but do not shrink when heated during the application process. They are UV and weather resistant, making them ideal outdoor applications.