These rubber grommets are just as tight as screw joints that are considerably more expensive and more difficult to install – their sealing action is often better.
The rubber grommets are in holes without thread with a wall thickness of 0.5 to 4 mm used. For dust and waterproof cable and conduit entries.
For round cables with a diameter 3-35 mm.
Without cable, the rubber grommets relief may also be used as blind plugs.
Protection: IP 67 in accordance with IEC.