Brass Round Tube Pipe Hollow Spacers Standoff Bush Wall Thickn 0.5mm Many Sizes

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Brass Round Tube Pipe Hollow Spacers Standoff Bush Wall Thickn 0.5mm Many Sizes

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Size (Outer Diameter x Wall Thickn x Length): 3 x 0.5 x 2mm

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$8.51 USD

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Brass Round Tube Pipe — Precision Hollow Spacers & Standoffs with 0.5mm Wall Thickness

When your project demands exact spacing and a clean finish, generic hardware rarely cuts it. Makers, electronics hobbyists, and mechanical DIYers who need repeatable, tool-free standoff solutions often struggle to find brass round tube pipe in the precise outer diameter and length they need — without ordering in bulk. These brass hollow spacers are stocked in an extensive size matrix so you can pick exactly what fits.

Each piece is a seamless brass round tube pipe with a uniform 0.5mm wall thickness. Outer diameters range from 1.5mm to 10mm (~0.06–0.39 in), with lengths spanning 2mm to 20mm (~0.08–0.79 in). The resulting inner diameter varies by OD: for example, a 4mm OD tube has a 3mm bore, while a 10mm OD tube carries a 9mm bore.

Typical use cases include PCB standoffs and board-level spacers in electronics enclosures, axle bushings and pivot sleeves in RC models and mechanical assemblies, and decorative hollow rivets or tube inserts in leatherwork, jewelry, and craft builds. The consistent 0.5mm wall makes these brass round tube pipe sections easy to cut, drill, and press-fit into standard clearance holes.

⚙️ Compatibility: Suitable for M1.5–M10 bore applications. Verify inner diameter (OD minus 1mm) against your shaft or fastener before ordering. Wall thickness is fixed at 0.5mm across all sizes.

✅ Key Features of These Brass Round Tube Pipe Hollow Spacers

🔩 Uniform 0.5mm Wall Thickness — Consistent across every size for predictable press-fit and clearance calculations in tight assemblies.
📐 Wide Size Matrix — OD from 1.5mm to 10mm, length from 2mm to 20mm; choose the exact combination your build requires without cutting down oversized stock.
🟡 Brass Construction — Naturally corrosion-resistant, machinable, and solderable; holds up in humid environments and bonds well with standard flux-core solder.
✂️ Easy to Machine — Brass cuts cleanly with a hobby saw, rotary tool, or lathe; no burring or work-hardening that would complicate secondary operations.
⚡ Electrically Conductive — Suitable for grounding standoffs, RF shielding pillars, and conductive spacer applications where steel would introduce unwanted resistance.
📦 Single-Piece Ordering — Buy exactly the quantity you need; no minimum pack requirement forces you to over-stock sizes you won't use.

📐 Technical Specifications — Brass Round Tube Pipe

Material	Brass (copper-zinc alloy)
Wall Thickness	0.5mm (fixed across all variants)
Outer Diameter (OD) Range	1.5mm – 10mm (approx. 0.06–0.39 in)
Inner Diameter (ID)	OD minus 1mm (e.g., 4mm OD → 3mm ID)
Length Range	2mm – 20mm (approx. 0.08–0.79 in)
Finish	See variant options
Tolerances	See variant options
Quantity per Order	1 piece (single unit)
Suitable Applications	Standoffs, spacers, bushings, axle sleeves, decorative tube inserts
Machinability	Suitable for sawing, drilling, turning, and press-fitting
Corrosion Resistance	Moderate; brass resists oxidation in typical indoor and light outdoor use

❓ Frequently Asked Questions

How do I calculate the inner diameter for a specific variant?

The inner diameter (ID) equals the outer diameter (OD) minus twice the wall thickness. Since wall thickness is fixed at 0.5mm, the formula is simply: ID = OD − 1mm. For example, a 6mm OD tube has a 5mm bore, and a 3mm OD tube has a 2mm bore. Always verify this against your shaft or fastener diameter before ordering.

Are these tubes strong enough to use as structural standoffs?

For light-duty applications — PCB mounting, panel spacing, and decorative assemblies — yes. Brass has a tensile strength of approximately 300–500 MPa depending on alloy grade, which is adequate for most hobby and electronics enclosure standoff loads. For high-vibration or heavy mechanical loads, consider a thicker-walled tube or a solid spacer instead.

Will brass corrode if used outdoors or in humid environments?

Brass forms a natural patina (oxidation layer) over time that actually slows further corrosion, making it more durable than bare steel in humid conditions. For prolonged outdoor exposure or contact with salt water, a clear lacquer coat or periodic waxing will extend the appearance and service life significantly.

Can I solder or braze these tubes together?

Yes. Brass is highly solderable with standard rosin-core or acid-core solder and a suitable flux. For structural joints, silver brazing at higher temperatures produces a stronger bond. Ensure surfaces are clean and free of oxidation before applying heat for best results.

How do I choose between different OD and length combinations?

Start with the bore requirement: what shaft, screw, or rod needs to pass through or be supported? That determines your minimum ID, which sets your OD (ID + 1mm). Then choose the length to match your required standoff height or spacer depth. If you need to cut to length, order the next size up and trim with a fine-tooth saw or rotary tool.

Are these compatible with metric fasteners and standard drill bit sizes?

Yes. The OD and ID dimensions follow metric sizing, making them directly compatible with standard metric drill bits, reamers, and fasteners. For example, a 3mm OD / 2mm ID tube fits snugly over an M2 screw shank, and a 5mm OD / 4mm ID tube accommodates an M4 bolt. Always confirm fit with a test piece before committing to a full assembly.

Can I cut these tubes to a custom length?

Absolutely. Brass cuts cleanly with a fine-tooth hacksaw, jeweler's saw, pipe cutter, or rotary tool with a cutting disc. Deburr the cut end with a small file or countersink bit to ensure a flush, snag-free fit. The 0.5mm wall is thin enough that a standard pipe cutter designed for small-diameter tubing works well without distorting the bore.

🛒 Select your Size (Outer Diameter x Wall Thickness x Length) above, then add to cart.

Brass Round Tube Pipe Hollow Spacers Standoff Bush Wall Thickn 0.5mm Many Sizes

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Beschreibung

Brass Round Tube Pipe — Precision Hollow Spacers & Standoffs with 0.5mm Wall Thickness

✅ Key Features of These Brass Round Tube Pipe Hollow Spacers

📐 Technical Specifications — Brass Round Tube Pipe

❓ Frequently Asked Questions

Brass Round Tube Pipe Hollow Spacers Standoff Bush Wall Thickn 0.5mm Many Sizes

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