Rectangular tube insert 40×100 mm, anthracite, wall thickness 1.5–4.0 mm
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Rectangular tube insert 40×100 mm in polyethylene, anthracite (RAL 7016). For hollow sections with a wall thickness of 1.5–4.0 mm. External part height 5.0 mm, internal part height 19.5 mm. Core dimensions 27.6 x 87.0 mm, weight 0.0262 kg.
Product code: 003-136
Product features
[PIM] zaslepki-prostokatne #1027
- Profile [mm] 40×100
- Colour Anthracite grey
[PIM] zaslepki-do-rur-i-profili #1025
- Shape Rectangular
- Profile [mm] 40×100
- Colour Anthracite grey
Description
Rectangular tube insert 40×100 mm, anthracite, wall thickness 1.5–4.0 mm

The Rectangular tube insert 40×100 mm in anthracite (RAL 7016) provides a neat and durable closure for the open ends of hollow sections with a wall thickness of 1.5 to 4.0 mm. It is made from polyethylene and sold individually, making it easy to order exactly the number required.
The internal part of the insert has ribs that fit inside the section, while the external flange covers its edge and gives the end a smooth, tidy appearance. The wide wall thickness range allows the same product to be used with different sections of the same nominal size.
Applications and selection
- Closing the ends of rectangular sections with a nominal size of 40×100 mm
- Protecting the inside of the section from dirt and contaminants
- Covering sharp cut edges at visible ends of structures
- Creating a consistent finish in a dark anthracite colour
Before purchasing, check the external dimensions of the section and its wall thickness, as these determine whether the ribs fit correctly inside the section. Push-fit inserts of this type are installed without additional fasteners or tools.

The insert consists of a low-profile flat flange and an internal part with a core and ribs. This design allows it to sit securely in the opening of the section, while the flange sits flush against the edge and covers the cut end.
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