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Available MaterialsWe provide metal capillary tubes in multiple materials:
Key FeaturesUltra Small. Ultra Precise. Ultra Clean.
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Why Choose Vulroc Capillary Tubes
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Metal Capillary Tubes
Precision Micro Tubing for Medical, Aerospace & Instrumentation Applications
Metal capillary tubes are ultra-precision small diameter tubes designed for applications requiring tight tolerances, smooth inner surface, and excellent dimensional consistency. These tubes are widely used in medical devices, aerospace components, precision instruments, and electronic equipment.
Vulroc Tube supplies high-quality stainless steel, aluminum, copper, and titanium capillary tubes with extremely small diameters and thin wall thickness.
Applications
Medical Devices
- Hypodermic needles
- Surgical instruments
- Catheter components
- Endoscope parts
- Implantable device components
Aerospace
- Sensor tubing
- Hydraulic micro tubing
- Fuel system components
- Precision assemblies
Instrumentation
- Analytical instruments
- Measurement devices
- Pressure gauges
- Flow control systems
Electronics Industry
- Micro components
- Probe tubes
- Sensor housings
- Precision assemblies
Size
Ultra Precision Micro Tubing Capability
| Parameter | Range |
|---|---|
| Outer Diameter (OD) | 0.15 mm – 16 mm |
| Wall Thickness (WT) | 0.02 mm – 4 mm |
| Length | Coil / Straight |
| Tolerance | Tight precision control |
| Surface | Bright / Polished / Cleaned |
| Shape | Round |
Quality
Manufacturing Process
Cold Drawing → Precision Annealing → Straightening →Precision Cutting → Deburring → Cleaning → Inspection
Surface Options
- Bright annealed surface
- Polished surface
- Electropolished (optional)
- Cleaned & degreased
- Medical grade surface (optional
FAQ
What is a metal capillary tube?
Metal capillary tubes are small diameter precision tubes with very thin walls used in medical, aerospace, and precision equipment.
What is your minimum OD?
We can produce capillary tubes with OD as small as 0.15 mm.
Which material is most common?
Stainless steel 304 and 316L are most widely used for medical and instrumentation applications.
Can you supply in coil form?
Yes, we can supply both straight lengths and coils.
Do you support custom size?
Yes, we manufacture according to customer drawings.
