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Precision Laser Drilling Capillary Needle Test

Medical Machining Parts
December 27, 2025
Category Connection: Medical Machining Parts
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Tags:
#Medical Needle #CNC Milling Parts #Cnc Medical Parts
Brief: In this video, we demonstrate the precision laser drilling process for our 304 stainless steel capillary spray needles. You'll see how the micro-orifice is created and how the machined external thread ensures secure integration into laboratory systems. Gain concise insights into the features that matter most for real-world use in analytical instrumentation and research applications.
Related Product Features:
  • Features a precision laser-drilled micro-orifice at the tip for consistent and symmetric spray cone generation.
  • Constructed from 304 stainless steel capillary tubing for excellent chemical compatibility and mechanical strength.
  • Includes a CNC-machined external thread for secure, leak-free integration into laboratory apparatus.
  • Offers customizable dimensions including orifice diameter, thread specification, and overall length.
  • Designed for applications in mass spectrometry, micro-dispensing, chromatography, and additive manufacturing.
  • Provides smooth internal bore and precise flow path for controlled nano-liter to micro-liter per minute flow rates.
  • Manufactured with high circularity orifice and tight tolerances for reliable performance in R&D settings.
  • Available with electropolished internal surfaces for ultra-clean, hydrophilic performance in sensitive applications.
FAQs:
  • What are the typical applications for this precision laser-drilled capillary needle?
    This needle is designed for advanced research and analytical applications including mass spectrometry ion sources, micro-dispensing and aerosol research, chromatography and flow chemistry, additive manufacturing and coating, and fuel injection and combustion research.
  • What thread specifications are available for mounting the needle?
    The needle features CNC-machined external threads available in metric specifications (such as M3, M4, M6) or unified specifications (like 10-32 UNF), with custom threads available upon request to ensure secure integration into your laboratory apparatus.
  • What is the range of orifice diameters that can be laser-drilled?
    The precision laser drilling process can create orifice diameters ranging from 15 µm to 200 µm, with the most common sizes being between 50 µm and 100 µm, ensuring precise control over spray characteristics.
  • How is the quality and precision of the orifice ensured during manufacturing?
    Each needle undergoes 100% visual inspection under microscope for orifice defects, with orifice circularity maintained at ≥95% and diameter tolerance of ±2 µm for orifices larger than 50µm, supported by sample microscopy images and measurement data.
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