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Side hole needle

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January 22, 2026
Category Connection: Medical Machining Parts
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Tags:
#Medical Needle #CNC Milling Parts #Cnc Medical Parts
Brief: In this dynamic demo, discover how our advanced hybrid manufacturing process creates high-precision side-hole needles. Watch as we showcase the seamless integration of laser cutting and CNC micro-milling to achieve burr-free side ports with exceptional dimensional accuracy for demanding micro-fluidic applications.
Related Product Features:
  • Manufactured from certified 304 or 316L stainless steel tubing for superior corrosion resistance and chemical compatibility.
  • Combines precision laser cutting for primary shaping with CNC micro-milling for creating complex side-hole geometries.
  • Achieves extremely precise side-hole diameters as small as 0.10 mm with positional accuracy of ±0.01 mm.
  • Produces burr-free side holes with superior edge quality and surface finishes down to Ra < 0.8 µm.
  • Offers custom tip geometries including lancet, pencil point, tapered, and blunt configurations.
  • Features optional electropolishing for ultra-smooth internal lumen surfaces (Ra < 0.4 µm).
  • Undergoes comprehensive metrology including optical measurement and micro-CT scanning for quality verification.
  • Suitable for advanced applications in chromatography, microfluidics, medical sampling, and semiconductor manufacturing.
FAQs:
  • What materials are available for the side-hole needles?
    We use certified 304 and 316L stainless steel tubing. 304 is for general purpose applications, while 316L offers superior corrosion and chemical resistance, making it ideal for demanding environments.
  • How precise are the side holes that can be machined?
    Our CNC micro-milling process achieves side-hole diameters as small as 0.10 mm with a diameter tolerance of ±0.005 mm to ±0.02 mm and a positional accuracy of ±0.01 mm, ensuring exceptional dimensional control.
  • What quality control measures are in place?
    Each needle undergoes comprehensive inspection using optical measurement systems, video measuring machines, and potentially micro-CT scanning to verify side-hole dimensions, position, internal surface finish, and overall geometry, supported by full material traceability and detailed certification.
  • What are the typical applications for these precision side-hole needles?
    They are ideal for advanced chromatography & mass spectrometry, microfluidic devices, precision medical sampling/infusion, fuel injection systems, and semiconductor manufacturing, where exact side-hole geometry and performance are critical.
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