These threaded rods are often used in the lighting sector. They are hollow to allow an electric cable to pass through and the M14 external thread in 1mm pitch means they can be used as a support.
Product description :
Dimensions: M14 - 1mm thread
Inner tube diameter: 10.6mm
Tube length: 100cm (1 metre)
Composition: electro-galvanised steel
Sold individually