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Fixation Components

Kirschner Wire

  • Process
    CNC Swiss Machining, Centerless/Tip Grinding
  • Material
    316LVM, Ti-6Al-4V ELI, Nitinol
  • Finish
    Passivation, Electropolishing, Laser Marking

MedCNCParts manufactures custom and modified Kirschner wires to tight tolerances. We combine precision centerless grinding with multi-axis Swiss machining for consistent tip sharpness and high straightness.

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Description Custom Options Tech Specs Related Products FAQs
Kirschner Wire Desc Image

Precision CNC Machining for Custom Kirschner Wires

MedCNCParts delivers custom surgical K-wires directly to OEM prints. Combining multi-axis Swiss turning with precision tip grinding, we produce trocar, diamond, and threaded geometries with razor-sharp cutting edges.

Operating under strict ISO 13485 controls, we guarantee tight diameter tolerances, exceptional shaft straightness, and fully traceable medical raw materials.

Shaft Straightness Icon

Shaft Straightness

Precision centerless grinding controls total runout within 0.05 mm/100 mm, preventing rotational whipping, chuck slippage, and drill binding under high-speed actuation.

Tip Geometry Icon

Tip Geometry

Multi-axis facet grinding produces consistent trocar and diamond cutting edges with minimal flash burrs, lowering axial thrust and mitigating frictional heat generation.

Modified Features Icon

Modified Features

Swiss turning executes burr-free external threads, retaining grooves, and drive flats to print, followed by high-contrast, corrosion-resistant laser depth banding.

High-Precision Solutions for Custom K-Wires

Prevent wire runout, dull cutting facets, and thread stripping in your fixation designs. Our specialized Swiss turning and grinding cells handle tough implant alloys like 316LVM and Ti-6Al-4V ELI, delivering verified prototype samples and scalable production runs.

See orthopedic device components for fixation.

Fully Custom Materials & Surface Finishes Options

MedCNCParts offers a wide range of materials and surface treatments for medical parts.

Surface Finishing
Materials
  • Electropolishing
    Electropolishing medical metals produces smooth, clean, corrosion-resistant surfaces, removing burrs and impurities to ensure biocompatibility, sterility, and reliable device performance.
  • Passivation
    MedCNCParts provides medical CNC parts with precision passivation, removing contaminants and restoring stainless steel’s oxide layer for corrosion-resistant, implant-ready components.
  • Electroplating
    Precision electroplating for medical devices strengthens surfaces, maintains biocompatibility, and ensures clinical-grade, ISO-compliant, traceable finishes for implants and surgical instrumentation.
  • Laser Marking
    MedCNCParts provides precise, compliant laser marking and UDI on medical components, ensuring traceability, regulatory adherence, and long-lasting surface quality.
  • Anodizing
    Anodizing components for medical use strengthens surface protection, cleanliness, and biocompatibility, ensuring durable, traceable, and implantable-grade finishes for precision-machined parts.
  • Titanium Coloring
    With MedCNCParts’ titanium coloring, medical devices gain validated biocompatibility, precise differentiation, and assured compliance with stringent implantable certification standards.
  • Powder Coating
    Biocompatible powder coating creates corrosion-resistant, uniform finishes on medical parts, maintaining micro-precision, cleanliness, and validation-ready surfaces for surgical devices.
  • Titanium
    MedCNCParts offers precise, fast-turnaround CNC machining titanium with implant-grade quality, ultra-clean operations, and reliable small-batch medical part production.
  • Acrylic
    MedCNCParts’ machining services deliver precision-shaped components with refined finish, durability, and consistent optical performance for healthcare use.
  • Stainless Steel
    MedCNCParts offers advanced CNC machining for medical components, producing stainless steel parts for surgical and implantable applications to exacting ISO tolerances with fast turnaround.
  • Copper
    MedCNCParts’ CNC machining Copper ensures ISO 13485-certified cleanliness, precise tolerances, and consistent quality across surgical, diagnostic, and implantable copper components.
  • Aluminum
    MedCNCParts focus on traceability, process compliance, and rapid-response production makes us a trusted partner.
  • PEEK
    MedCNCParts machines PEEK components using validated processes, micro-precision, and complete inspection for advanced medical devices.
  • Polycarbonate
    MedCNCParts ensures consistent quality and fast turnaround for complex, small-batch medical applications.

Tech Specs

Kirschner Wire Specs Image
Item Name Custom Surgical Kirschner Wire (K-Wire)
Size (DxL) Custom per drawing
Tip Style Trocar, Diamond, Bevel, Threaded, or Custom Geometry
Process Swiss CNC Turning, Centerless Grinding, Tip Facet Grinding
Material 316LVM (ASTM F138), Ti-6Al-4V ELI (ASTM F136), Nitinol
Finish Passivation, Electropolishing, Laser Depth Banding
Tolerances Diameter: ±0.005 mm

Straightness: ≤ 0.05 mm / 100 mm
Certificate ISO 13485:2016 | ISO 9001:2015

Frequently Asked Questions

FAQs

Engineering FAQs on custom K-wire grinding, straightness control, tip configurations, and ISO 13485 manufacturing standards.

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How do you maintain straightness on long, thin K-wires?
We utilize precision centerless grinding and dedicated guide bushings. This controls total runout within 0.05 mm/100 mm, preventing whipping and vibration during high-speed rotation.
Can you machine custom threads on surgical K-wires?
Yes. We use multi-axis Swiss thread whirling to produce burr-free full or partial thread profiles directly to your CAD drawings, ensuring reliable axial retention.
What tip geometries can you grind on wire ends?
We grind standard single or double-ended trocar and diamond points, as well as custom multi-bevels and radiused blunt ends per drawing requirements.
How do you prevent micro-burrs along cutting facets?
All ground facets undergo microscopic edge inspection and multi-stage ultrasonic degreasing to remove feather burrs without rounding the primary cutting edges.
Can you add calibrated depth markings along the shaft?
Yes. We provide high-contrast, biocompatible laser depth banding and metric scale marks that resist degradation through repeated cleaning and passivation cycles.
What is the typical turnaround time for prototype batches?
Prototype batches typically ship within 2 to 3 weeks following drawing confirmation. Expedited machining slots are available for urgent device development and validation testing.
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