Square tube insert 50×50 mm, anthracite, wall thickness 1.5–3.0 mm
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Polyethylene Square tube insert 50×50 mm, anthracite (RAL 7016). For tube wall thicknesses of 1.5–3.0 mm. Flange height 5.0 mm, internal section 18.0 mm, core 40.7 mm, ribs 48.0 mm. Weight 0.0143 kg.
Product code: 003-028
Product features
[PIM] zaslepki-kwadratowe #1026
- Profile [mm] 50×50
- Colour Anthracite grey
[PIM] zaslepki-do-rur-i-profili #1025
- Shape Square
- Profile [mm] 50×50
- Colour Anthracite grey
Description
Square tube insert 50×50 mm, anthracite, wall thickness 1.5–3.0 mm

The Square tube insert in anthracite (RAL 7016) closes the open end of a tube. It provides a neat finish to the edge and protects the inside of the tube from dirt.
The insert is made of polyethylene, a material commonly used for finishing components. The ribbed internal section slides into the tube, while the flat outer flange covers its edge. The ribs adapt to the inside of the tube, so the insert must be selected according to the tube size and wall thickness. The uniform dark colour matches structures finished in anthracite.
Applications and selection
- Closing the ends of square tubes in mounting structures and frames
- Providing a neat finish to visible tube ends in anthracite
- Protecting the open tube end from dirt
- Selection according to the nominal tube size and wall thickness

Dimensions for selection
When selecting an insert, consider the height of the outer flange, the length of the inserted section and the dimensions of the core and ribs. Before ordering, compare these values with the internal dimensions and wall thickness of the tube to ensure a secure fit.
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