Brass Round Tube — 1mm to 9mm OD, Multiple Wall Thicknesses, 300mm Length

Start with the outer diameter (OD) your application requires — for example, a shaft sleeve or bushing bore. Then select a wall thickness based on the load or pressure involved. Thinner walls (0.2–0.3mm) are typically used for lightweight decorative or model-making applications, while thicker walls (0.75–2mm) are generally chosen for structural or mechanical uses. All lengths in this listing are 300mm (≈11.8").

The inner diameter equals the outer diameter minus twice the wall thickness. For example, a 6mm OD tube with a 0.5mm wall has an ID of 5mm (≈13/64"). A 3mm OD / 0.5mm wall tube has an ID of 2mm (≈5/64"). Each variant listing shows both OD and ID clearly in the "Sizes (OD x ID)" option so you can confirm the bore before ordering.

Brass generally offers tensile strength in the range of 300–500 MPa depending on alloy temper. Thicker-walled variants (1mm wall and above) are generally suitable for light structural, bushing, and bearing applications. For heavy-load or high-pressure uses, please contact us to confirm the specific alloy grade before ordering.

Brass has inherent corrosion resistance and performs well in moist or mildly corrosive environments. It is commonly used in plumbing fittings, marine hardware, and outdoor decorative applications. For prolonged saltwater or highly acidic exposure, a protective lacquer or sealant coating is generally recommended to extend service life.

These are plain (unthreaded) hollow round tubes. They are not pre-threaded. They can be used as sleeves, spacers, or conduit, or machined and tapped to accept standard metric or imperial threads. Compatibility with specific fittings depends on the ID you select — please verify bore dimensions against your fitting specification before ordering.

Yes. Brass machines and cuts cleanly with standard metalworking tools — a fine-tooth hacksaw, pipe cutter, or lathe works well. Deburr cut ends with a file or deburring tool for a clean finish. All tubes ship at 300mm (≈11.8") and can be cut to your required length on-site.

Common uses include scale model aircraft and ship framing, telescope focuser tubes and optical instrument sleeves, pen turning and wood-turning inlays, RC vehicle chassis tubes, jewelry findings and bead cores, electrical conduit sleeves, and light-duty bushing or bearing liner applications. The 1–9mm OD range covers both micro-precision and light structural needs.

Each listing is priced and sold per individual tube (1 piece = 1 tube, 300mm long). If you need multiple pieces, simply adjust the quantity at checkout. For orders of 20 or more pieces, contact us — bulk pricing may be available depending on size and quantity.