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Medical Machining Parts
January 15, 2026
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Brief: In this walkthrough, we highlight key design ideas and how they translate to performance. Discover how precision CNC milling transforms 304 and 316L stainless steel into critical medical components, showcasing the intricate geometries, tight tolerances, and superior finishes essential for surgical instruments, diagnostic equipment, and implantable devices.
Related Product Features:
  • Manufactured from Grade 304 or 316L stainless steel for excellent corrosion resistance and biocompatibility.
  • Produced using multi-axis (3/4/5-axis) precision CNC milling for complex contouring and micro-milling.
  • Maintains extremely tight dimensional and geometric tolerances, typically within ±0.01mm to ±0.05mm.
  • Achieves fine surface finishes, with Ra < 0.8 µm standard and optional electropolishing for enhanced performance.
  • Undergoes secondary operations including deburring, passivation, and ultrasonic cleaning for purity.
  • Subject to 100% dimensional inspection and quality assurance per ISO 13485 standards.
  • Suitable for a wide range of medical applications from surgical instruments to implantable device components.
  • Available in a part size range from less than 1 mm up to 300 mm in maximum dimension.
FAQs:
  • What are the key differences between 304 and 316L stainless steel for medical parts?
    Grade 304 offers general corrosion resistance, while Grade 316L provides enhanced corrosion and pitting resistance with lower carbon content, making it the preferred choice for implantable devices and applications requiring prolonged internal contact with the body.
  • What level of precision can be achieved with these CNC milled parts?
    These parts are manufactured to extremely tight tolerances, typically within ±0.01mm to ±0.05mm (±0.0004" to ±0.002"), with geometric tolerances for straightness and flatness held within 0.01mm to 0.03mm, ensuring high precision for critical medical applications.
  • Are these components suitable for implantable medical devices?
    Yes, especially parts made from Grade 316L stainless steel, which is preferred for implantable devices due to its enhanced biocompatibility and corrosion resistance, complying with ISO 10993-1 evaluation and ISO 5832-1 standards for surgical implants.
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