They are Non inverted gear teeth design and to drill a hole 10 mm dia. in the wall when installation and to use together with the silicone adhesive to prevent moisture penetration into the cable wire line through the drilled hole in wall and make the wall look smooth after cable installation in the cable installation,maintenance and service industry field. It is in white with inner hole Dia.8.0 mm/8.5 mm X Cap Dia. 32 mm X 26 mm Length X Outside Dia. 10.7 mm. The white, clear and black colour and the different sizes, style are avaiable as customers'request. They are made with ABS, PP,PE or Nylon materials uv protection and RoHS certificate.
It is widely used in the cable wire industry for installation, maintenance,services field when the cable line along baseboard, wall, and other places. single cable grommet is one kind of cable accessories product.
These are often used for telephone cable wire, telecommunication and data system cables, and low voltage power cables. During the installation, to apply the silicone glue onto the back of the bushing near the wall and the drilled hole through the cable to prevent the moisture and dust from entering and penetration into the hole of the bushing and the drilled hole in the wall.