Our hollow threaded tube is made of stainless steel, with a smooth surface and durability. Each end of the steel pipe is spiral shaped to facilitate the installation of screws.
The capillary tube has a smooth surface and an inner wall with a screw. The tube is hollow in the middle and threaded each end, which can be used to fasten and match the M4 screws.
These threaded rods studs can be cut freely. It is safe and strong enough for long-term use.
These tubes are 3.9 inches (100 mm) long and have an outer diameter of 0.2 inches (4.8 mm) long.