Brass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mm
Brass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mm
Brass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mm
Brass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mm
Brass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mm
Brass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mm
Brass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mm
Brass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mm
Brass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mm
Brass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mm
Brass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mm
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Brass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mmBrass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mmBrass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mmBrass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mmBrass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mmBrass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mmBrass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mmBrass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mmBrass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mmBrass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mmBrass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mm

Brass Round Tube Hollow Pipe OD 2–15mm Wall 0.5–2mm Length 200mm

HomeDIYer
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By HomeDIYer®

Price:
$3.59 USD
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In stock (500 units), ready to be shipped

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Description

Brass Round Tube Hollow Pipe — Precision Metric Sizes for DIY, Modeling & Fabrication

Whether you're repairing a plumbing line, building a scale model, crafting custom jewelry findings, or fabricating a mechanical assembly, finding a brass hollow round tube in exactly the right size is often the hardest part. Undersized bores cause binding; oversized walls add unnecessary weight; and sourcing odd metric dimensions locally can waste hours. These brass round tube hollow pipes are stocked in a wide range of metric OD/ID combinations so you can match your spec without compromise.

Each piece is a seamless-style brass hollow round tube, 200mm (≈7.87") in length, available in outer diameters from 2mm (≈5/64") to 15mm (≈19/32"), with inner diameters and wall thicknesses selectable per variant. Wall thickness options range from 0.5mm to 2mm. You can order 1, 2, or 5 pieces per listing to match your project quantity — no need to buy a full bundle when you only need one.

Typical use cases include hobby and scale model framing, small-bore plumbing and fluid-line routing, custom lamp and furniture hardware, RC vehicle axle sleeves, and precision spacer or bushing applications where a metric brass hollow tube is specified.

ℹ️ Compatibility Note: All dimensions are metric. OD and ID are as labeled per variant. Verify your fitting bore or shaft diameter before ordering. Wall thickness = (OD − ID) ÷ 2.

✅ Key Features of These Brass Round Tube Hollow Pipes

  • 📐 Wide Metric Size Range — OD from 2mm to 15mm with multiple ID options per OD, covering the most common metric brass hollow tube sizes used in DIY and precision fabrication.
  • 🔩 Selectable Wall Thickness — Choose 0.5mm, 1mm, 1.5mm, or 2mm walls to match your structural or weight requirements, from lightweight model work to more rigid mechanical applications.
  • ✂️ Easy to Machine & Fabricate — Brass cuts cleanly with a tube cutter or hacksaw, solders with standard flux and lead-free solder, and bends without cracking when properly annealed — ideal for custom plumbing tube fittings and model builds.
  • 🌿 Naturally Corrosion-Resistant — Brass resists oxidation and performs reliably in indoor and moderately humid environments, making it a dependable choice for decorative hardware, fluid lines, and exposed mechanical parts.
  • 📦 Flexible Pack Quantities — Order 1, 2, or 5 pieces per variant so you get exactly what your project needs — no excess stock, no minimum order headaches.
  • 📏 Consistent 200mm Length — Each tube is 200mm (≈7.87") long, a practical working length for most hobby, repair, and fabrication tasks, and easy to cut down to shorter dimensions as needed.

📐 Technical Specifications — Brass Round Hollow Tube

Material Brass (copper-zinc alloy, typically C26000 or equivalent)
Tube Shape Round hollow (seamless-style)
Outer Diameter (OD) Range 2mm – 15mm (≈5/64" – ≈19/32")
Inner Diameter (ID) Range 1mm – 14mm (see variant options)
Wall Thickness Options 0.5mm / 1mm / 1.5mm / 2mm
Length 200mm (≈7.87" / ≈7-7/8")
Pack Quantity 1 PCS / 2 PCS / 5 PCS (select above)
Surface Finish See variant options
Applicable Standards Contact us to confirm
Machinability Excellent — cuts, solders, and bends readily
Corrosion Resistance Good for indoor and moderate outdoor use
⚠️ Sizing Tip: Double-check your OD, ID, and wall thickness requirements before ordering. If you need a tube to slide over a rod, the ID must be larger than the rod's OD. If you need a tube to fit inside a bore, the OD must be smaller than the bore's ID.

❓ Frequently Asked Questions

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

Measure the shaft, rod, or opening your tube needs to fit over or inside. The Outer Diameter (OD) determines the outside size; the Inner Diameter (ID) determines the bore. For example, if you need a tube to slide over a 3mm rod, choose an ID of at least 3mm — such as the 4mm OD × 3mm ID option. When in doubt, size up by 0.5–1mm for a comfortable slip fit.

What wall thickness should I choose?

Wall thickness = (OD − ID) ÷ 2. Thinner walls (0.5mm) are generally used for lightweight decorative or model work. A 1mm wall offers a balance of rigidity and weight. Walls of 1.5–2mm are typically chosen for structural or load-bearing applications. Select based on the mechanical demands of your project.

How strong are these brass tubes?

Brass (typically C26000 or equivalent) generally has a tensile strength of around 300–500 MPa depending on temper. These tubes are well-suited for light structural, decorative, and precision mechanical uses. For heavy load-bearing applications, confirm the specific alloy grade before use.

Can these brass tubes be used outdoors or in humid environments?

Brass is naturally corrosion-resistant and performs well in most indoor and moderately humid outdoor environments. It will develop a patina over time when exposed to the elements. For marine or highly corrosive environments, consider applying a clear lacquer or sealant for added protection.

Are these tubes compatible with standard metric fittings and connectors?

Yes — all sizes are metric (OD 2mm to 15mm) and are generally compatible with standard metric plumbing fittings, compression connectors, and hobby/model hardware. Always verify the OD and ID against your fitting's bore specification before ordering.

Can I cut, solder, or bend these tubes?

Yes. Brass cuts cleanly with a tube cutter or fine-tooth saw, solders readily with standard lead-free or silver solder, and can be bent with a tube bender (annealing first is recommended for tighter radii to avoid kinking). These properties make it a popular choice for model making, small-bore plumbing repairs, and custom fabrication.

How do I convert the tube length from mm to inches?

All tubes in this listing are 200mm long, which is approximately 7.87" (≈7-7/8"). To convert any mm measurement to inches, divide by 25.4. For example: 10mm OD ÷ 25.4 ≈ 0.394" (≈3/8"). The smallest OD (2mm) is approximately 5/64"; the largest (15mm) is approximately 19/32".

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

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