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home > Brass Round Tube 1mm–10mm OD | 0.25mm Wall | 500mm Length > Brass Round Tube 1mm–10mm OD | 0.25mm Wall | 500mm Length

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Brass Round Tube 1mm–10mm OD | 0.25mm Wall | 500mm LengthBrass Round Tube 110mm OD Precision Thin Wall Tubing for Models, Instruments & DIY Builds Finding the right small diameter metal tube for a model, musical instrument repair, or precision craft project can be frustrating when hardware store stock tops out at 1 2" and comes in the wrong alloy. These brass round tubes are stocked in 18 OD to ID size combinations from 1mm (3 64") up to 10mm (3 8") specifically for makers, hobbyists, engineers, and repair

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Brass Round Tube 1–10mm OD — Precision Thin-Wall Tubing for Models, Instruments & DIY Builds

Finding the right small-diameter metal tube for a model, musical instrument repair, or precision craft project can be frustrating when hardware store stock tops out at 1/2" and comes in the wrong alloy. These brass round tubes are stocked in 18 OD-to-ID size combinations — from 1mm (≈3/64") up to 10mm (≈3/8") — specifically for makers, hobbyists, engineers, and repair technicians who need accurate, consistent tubing in small diameters.

Each piece is a hollow round brass tube with a uniform 0.25mm wall thickness and a fixed length of 500mm (≈19.7"). The OD range spans 1mm × 0.5mm ID through 10mm × 9.5mm ID, with sizes available in 0.5mm increments across the range. Material is brass — an alloy of copper and zinc — offering a warm gold tone, good machinability, and natural corrosion resistance without surface treatment.

Typical use cases include scale model structural tubing, antenna and RF spacer sleeves, pen-turning blanks, musical instrument key guides, telescope focuser tubes, and decorative inlay work in woodworking. The consistent OD tolerance makes these tubes well-suited for slip-fit assemblies and soldered joints where dimensional accuracy matters.

ℹ️ Compatibility Note: These are unthreaded, thin-wall tubes (0.25mm wall). Verify OD and ID against your project's bore or connector before ordering. All 18 size variants ship at 500mm (≈19.7") length — cut to your required length on-site.

✅ Key Features of These Brass Round Tubes

📐 18 Precise Size Options — OD from 1mm (≈3/64") to 10mm (≈3/8") in fine increments, each with a matching ID that is exactly 0.5mm smaller than the OD, giving you consistent wall geometry across the range.
🔩 Uniform 0.25mm Wall Thickness — Thin-wall construction keeps weight low while maintaining a round, true bore — ideal for small-diameter brass tubing used in model making and instrument repair.
📏 500mm Working Length — Each tube measures 500mm (≈19.7"), long enough for most project spans and easy to cut down with a rotary tube cutter or fine-tooth saw without distorting the thin wall.
🛡️ Brass Alloy Construction — Copper-zinc brass resists corrosion better than plain steel, machines and solders cleanly, and holds a consistent gold finish — no plating to chip or peel over time.
⚙️ Solderable & Machinable — Brass bonds readily with rosin-core solder and standard brazing alloys, making these tubes a reliable choice for hollow brass tubing for electronics and RF projects where secure, conductive joints are needed.
📦 Single-Piece Listing, Multiple Sizes — Each order is for one 500mm tube in your chosen OD × ID combination. Order multiple quantities or mix sizes to cover a full project without minimum-order constraints.

📐 Technical Specifications — Brass Round Hollow Tube

Material	Brass (copper-zinc alloy)
Finish	Natural brass (uncoated)
Outer Diameter (OD) Range	1mm (≈3/64") – 10mm (≈3/8")
Wall Thickness	0.25mm (uniform across all variants)
Inner Diameter (ID)	OD minus 0.5mm (e.g., 5mm OD → 4.5mm ID)
Length	500mm (≈19.7")
Available Size Steps	18 variants from 1×0.5mm to 10×9.5mm (OD×ID)
Shape	Round hollow tube
Thread	Unthreaded (smooth bore and OD)
Quantity per Order	1 piece per variant selected
Machinability	Solderable, brazeable, cuttable with rotary cutter or fine-tooth saw
Recommended Applications	Model making, instrument repair, RF/antenna spacers, pen turning, decorative inlay
Country of Origin	See variant options

⚠️ Heads up: The 0.25mm wall is intentionally thin for weight and fit precision. These tubes are not designed for high-pressure fluid lines or heavy structural loads. If your application requires pressure ratings or load specs, contact us to confirm before ordering.

❓ Frequently Asked Questions

How do I choose the right OD and length for my project?

Measure the hole or bore your tube needs to fit into, then select the OD closest to that dimension. For reference, 1mm is roughly 3/64" and 10mm is roughly 3/8". The 500mm (≈19.7") length can be cut down with a fine-tooth saw or rotary tube cutter. If you need a shorter piece, order one length and cut to size on-site.

What load or pressure can these brass tubes handle?

These are thin-wall tubes (0.25mm wall) intended for light-duty applications such as model making, instrument building, and craft projects. They are generally not rated for high-pressure fluid systems. For structural load requirements, contact us to confirm suitability before ordering.

Are these tubes suitable for outdoor or humid environments?

Brass has naturally good corrosion resistance compared to plain steel and typically performs well in mildly humid or indoor-outdoor environments. For prolonged outdoor exposure or contact with saltwater, applying a clear lacquer or sealant is generally recommended to preserve the finish and slow patina development.

What thread or fitting standards are compatible with these tubes?

These are unthreaded hollow round tubes. They are compatible with slip-fit connectors, adhesive joints, and soldering. For threaded connections, a die can typically be used on the OD or a tap on the ID, depending on wall thickness and size. Confirm thread engagement depth before machining, as the 0.25mm wall limits thread depth on smaller sizes.

Can I solder or braze these brass tubes?

Yes. Brass is generally well-suited for soldering and brazing. Use a rosin-core or acid-core flux appropriate for brass, and apply heat evenly. The thin 0.25mm wall means heat transfers quickly, so use a low-to-medium heat setting to avoid distortion or collapse of the tube wall.

How do I cut these tubes cleanly without crushing them?

A rotary tube cutter sized for small diameters is the most reliable method — it produces a clean, square cut without crushing the thin wall. A fine-tooth jeweler's saw or hobby saw also works well. Avoid standard pipe cutters designed for larger diameters, as they may deform the tube. Deburr the cut end with a small round file or deburring tool before assembly.

What is the wall thickness, and how does it affect the inner diameter?

All variants in this listing have a uniform 0.25mm wall thickness. The inner diameter (ID) equals the OD minus 0.5mm (two wall thicknesses). For example, the 5mm OD variant has a 4.5mm ID, and the 10mm OD variant has a 9.5mm ID. The exact OD and ID are listed in each variant option so you can confirm the fit before adding to cart.

🛒 Select your size (OD × ID) above, then add to cart — ships from our US warehouse.

Brass Round Tube 1mm–10mm OD | 0.25mm Wall | 500mm Length

Name: Brass Round Tube 1mm–10mm OD | 0.25mm Wall | 500mm Length
Brand: lifisolutions.eu
SKU: 82407391370
Price: 31.95 USD
Availability: InStock
Rating: 4.0207 (40 reviews)