Square tube insert 140×140 mm, black
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Square tube insert 140x140 mm, made of black polyethylene. Tube wall thickness: 2.5–8.0 mm. External section height: 7.0 mm, internal section height: 28.5 mm. Core dimension: 120 mm, rib dimension: 135.5 mm. Weight: 0.152 kg.
Product code: 002-664
Product features
[PIM] zaslepki-kwadratowe #1026
- Profile [mm] 140×140
- Colour Black
[PIM] zaslepki-do-rur-i-profili #1025
- Shape Square
- Profile [mm] 140×140
- Colour Black
Description
Square tube insert 140×140 mm, black

The black Square tube insert is a finishing component that closes the open end of a hollow tube. It is made of polyethylene, and its smooth outer flange neatly conceals the tube's cut edge.
The internal section of the insert has ribs that press against the tube walls when inserted. When selecting an insert, consider the nominal tube size and wall thickness and compare them with the specification below.
Inserts of this type are used to finish the ends of load-bearing structures, frames, supports and equipment made from square hollow sections. The black colour complements dark structures, while polyethylene is a lightweight material commonly used for products of this kind.
- Finishes open ends of square tubes
- Smooth outer flange conceals the tube edge
- Visually neutral black colour complements dark structures
- Sold individually

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