Round tube insert Ø 108 mm, grey
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Round tube insert for Ø 108 mm tube, grey. External flange height 6.0 mm, internal section with fins height 29.0 mm. Core dimension 92.4 mm, fin dimension 103.5 mm. For tube wall thicknesses of 3.0–5.0 mm. Weight 0.053 kg.
Product code: 002-850
Product features
[PIM] zaslepki-okragle #1028
- Profile [mm] Fi 108
- Colour Grey
[PIM] zaslepki-do-rur-i-profili #1025
- Shape Round
- Profile [mm] Fi 108
- Diameter 108
- Colour Grey
Description
Round tube insert Ø 108 mm, grey

The grey Round tube insert for Ø 108 mm tube is a finishing component for closing the open ends of round tubes. It protects the tube opening against dirt and debris while giving the end of the structure a neat, uniform appearance.
The insert consists of a flat external flange, which sits against the end of the tube after installation, and an internal section with fins, which is pressed into the tube. Push-in inserts of this type are secured by fitting them into the tube, without additional fasteners.
The wall thickness range covers tubes with walls from 3.0 to 5.0 mm thick, so one insert fits different versions of tubes with a nominal diameter of 108 mm. Inserts of this type are commonly used on steel and aluminium structures, fences, railings, shelters, frames and supports where an open tube end needs protection.
- Closes open ends of round tubes with a diameter of 108 mm
- Provides a neat finish for tubular structures in a neutral grey colour
- Protects the inside of the tube against dirt

Selecting an insert involves matching the tube's nominal diameter and wall thickness. The insert is designed for round tubes with a diameter of 108 mm and a wall thickness within the specified range. The fins on the internal section engage with the inside surface of the tube. The flat external flange finishes the edge of the tube and covers its end.
When ordering for installation companies and tubular structure contractors, simply count the open tube ends in the project, as each end is closed with one insert.
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