Square tube insert 18×18 mm, black
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Square tube insert, 18×18 mm, made of black polyethylene. Profile wall thickness: 1.0–2.0 mm. External section height: 5.0 mm; internal section height: 11.0 mm, with ribs. Weight: 0.0027 kg. For hollow profiles.
Product code: 002-667
Product features
[PIM] zaslepki-kwadratowe #1026
- Profile [mm] 18×18
- Colour Black
[PIM] zaslepki-do-rur-i-profili #1025
- Shape Square
- Profile [mm] 18×18
- Colour Black
Description
Square tube insert 18×18 mm, black

The Square tube insert closes the open ends of square hollow profiles. It provides a neat finish to the structure while helping to prevent dirt from entering the profile.
The insert is made of plastic, which is lightweight and moisture-resistant. The external section has a flat, even head that rests against the edge of the profile after installation, creating a clean, closed finish. The internal section has ribs that press against the profile walls and hold the insert in place.
Selection and applications
- For square profiles with dimensions matching those in the specification
- For finishing the ends of structures, frames and supports made from hollow profiles
- For protecting profile edges against dirt and accidental scratches
- For structures where a neat, uniform appearance of the ends is important

Fit the insert inside the profile by pressing in the ribbed section until the head rests against the profile edge. The ribs conform to the profile walls and hold the insert securely in place. Inserts of this type are commonly used in the manufacture of frames, supports, shelving, metal furniture and lightweight structures where the open end of a profile needs protection and a neat finish.
Before purchasing, select an insert to match the profile's external dimensions and wall thickness, using the values given in the specification tables below.
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