Square tube insert 40×40 mm, blue, RAL 5012
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Square tube insert 40×40 mm made of polyethylene, blue (RAL 5012). Tube wall thickness 1.2–3.0 mm. External section height 5.0 mm, internal section height 18.0 mm. Core dimension 31.3 mm, rib dimension 38.4 mm. Weight 0.0093 kg.
Product code: 003-032
Product features
[PIM] zaslepki-kwadratowe #1026
- Profile [mm] 40×40
- Colour Blue
[PIM] zaslepki-do-rur-i-profili #1025
- Shape Square
- Profile [mm] 40×40
- Colour Blue
Description
Square tube insert 40×40 mm, blue (RAL 5012)

The blue Square tube insert 40×40 mm (RAL 5012) is used to close the open ends of hollow sections. It is made of polyethylene, and its push-in internal section has ribs that hold the insert in the tube.
The insert is designed for tubes with a nominal size of 40×40 mm and a wall thickness of 1.2–3.0 mm, making it suitable for various versions of these tubes. It is sold individually, making it easy to select the exact quantity needed for the job.
Applications
- Closing open ends of square tubes in structures and frames
- Finishing the ends of legs, frames and supports made from hollow sections
- Finishing metal components in blue (RAL 5012)
Tube inserts are usually fitted by pushing them into the open end of the tube, allowing the ribs on the internal section to press against the walls. Polyethylene is commonly used for products of this type, and the insert's colour allows the end finish to match the other structural components.

Before ordering, check the nominal tube size and wall thickness against the insert specifications. A correctly sized insert is held in the tube by the pressure of the ribs against the internal walls.
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