Rectangular tube insert 40×50 mm, black
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Rectangular tube insert 40×50 mm, made of polyethylene, black. Tube wall thickness 1.5–3.0 mm. External section height 5 mm, internal section height 18 mm. Ribs 37.7 x 47.9 mm. Weight 0.0123 kg.
Product code: 002-758
Product features
[PIM] zaslepki-prostokatne #1027
- Profile [mm] 40×50
- Colour Black
[PIM] zaslepki-do-rur-i-profili #1025
- Shape Rectangular
- Profile [mm] 40×50
- Colour Black
Description
Rectangular tube insert 40×50 mm, black

The black Rectangular tube insert 40×50 mm is a finishing component that closes the open end of a hollow section. It gives the edge of the tube a neat, uniform finish and prevents dirt from entering.
The insert is made of polyethylene. The internal section has ribs that press into the tube and hold the insert in place. The external flange covers the edge of the tube and conceals its cross-section.
This model is designed for tubes with a nominal size of 40 × 50 mm and fits a range of wall thicknesses, allowing one insert to be used with several tube variants. These inserts are commonly used in steel and aluminium structures, frames, furniture and technical equipment.

Applications and installation
- Closes the open end of a rectangular tube in structures and frames
- Finishes the edges of steel and aluminium tubes in black
- Installed by pressing the ribs of the internal section into the tube
- The external flange covers the edge of the tube and conceals its cross-section
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