External tube end cap for round tube Ø 4 mm, black
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Black round external tube end cap for a Ø 4 mm round tube. Internal diameter 3.9 mm, external diameter 5.0 mm, height 8.9 mm, depth 7.5 mm. Weight 0.0002 kg. Solid, rounded end. Fits over the end of the tube.
Product code: 002-924
Product features
[PIM] zaslepki-do-rur-i-profili #1025
- Shape Round
- Profile [mm] Fi 4
- Diameter 4
- Colour Black
[PIM] zaslepki-zewnetrzne #1030
- Profile [mm] Fi 4
- Colour Black
Description
External tube end cap for round tube Ø 4 mm, black

The black round external tube end cap fits over the end of a round tube with a diameter of Ø 4 mm. It closes the open end of the tube and gives it a neat, rounded finish.
Applications and selection
- protecting open ends of round tubes against dirt entering the interior
- providing a neat finish for structures made from small-diameter tubes
- uniform black colour for easy matching with other dark-coloured components
External tube end caps of this type are selected according to the tube's external diameter – in this case, a Ø 4 mm tube. The cap fits over the end of the tube, and its solid end closes the opening.
For installers and wholesalers
The product is sold individually, allowing you to order exactly as many caps as needed for the job. Its low weight and compact dimensions make it suitable for shipping as a small parcel. The black colour matches dark-coloured structures and components.

End cap construction
The cross-section of the end cap shows a solid, rounded end and a cylindrical interior that fits over the end of the tube. Once fitted, the cap closes the tube opening and provides a smooth, rounded finish.
External tube end caps are commonly used wherever an exposed tube end needs to be covered for a neat appearance. When selecting a cap, the main considerations are the compatibility of the tube diameter with the cap's internal diameter and the depth to which the cap fits over the tube.
The key dimensions – diameters, overall height and internal depth – are given in the specification below to help you check suitability before ordering larger quantities.
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