Motion and Transmission Components

Lead Screws

Process

CNC Turning
Material

Stainless Steel

PEEK
Finish

Passivation

Electropolishing

MedCNCParts enables micro-precision machining of lead screws, compatible with metals and sterilizable plastics, fully traceable under ISO standards.

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Precision CNC Machining Lead Screws for Medical Device

Lead screws are vital for smooth, accurate movement in medical devices like robotic surgical systems and laboratory automation.

MedCNCParts specializes in manufacturing precision lead screws, creating compact, high-performance components that ensure reliable operation and improved patient care.

Tight Tolerance Manufacturing

CNC-machined to micron-level accuracy, providing smooth travel, precise thread pitch, and repeatable linear motion for motion-critical applications.

Various Material & Surface Options

Stainless steel, titanium, and advanced plastics like PEEK, PEI, or Delrin. Surface treatments include electropolishing, hardening, or coating to reduce friction, enhance durability, and extend service life.

Certified Process Control

Manufactured under ISO 9001 standards with validated procedures, traceable production, and consistent mechanical performance.

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

Item Name	Precision Medical Lead Screw
Size (DxL)	Custom per drawing. (Typical: Ø4mm x 1mm pitch x 150mm L, Ø6mm x 2mm pitch x 200mm L)
Process	CNC Turning, Precision Thread Grinding, Thread Whirling, Centerless Grinding
Material	Medical Stainless Steel (SUS 304, SUS 316L), PEEK, Delrin
Finish	Electropolishing, Passivation
Tolerances	Lead Accuracy: ±0.003mm per 25mm (C3/C5 Grade) Straightness: <0.02mm per 100mm
Certificate	ISO 9001:2015 \| ISO 13485:2016

Frequently Asked Questions

FAQs

Find quick answers to your most frequently asked questions about our products and services.

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Can MedCNCParts produce both prototypes and small-batch lead screws?

Yes. MedCNCParts offers rapid prototyping in as fast as one day and small-batch production within 4–7 days. Our streamlined Swiss CNC process ensures consistent accuracy from early samples to complete production runs.

Do you offer validation and documentation for medical compliance?

Absolutely. Each order includes complete inspection data, certificates of conformance, and full material traceability. Our ISO 13485 and ISO 9001 systems ensure every lead screw meets medical regulatory requirements.

What part sizes can MedCNCParts manufacture for medical lead screws?

We machine diameters as small as 0.5 mm and lengths up to 1 m with micron-level accuracy. This precision supports everything from miniature implant mechanisms to diagnostic assemblies.

How do you ensure consistency across production batches?

MedCNCParts applies statistical process control, FAI validation, and complete layout inspections to every batch. These steps guarantee uniform geometry and performance across all medical-grade lead screws.

Are your lead screws suitable for implantable or diagnostic devices?

Yes. We manufacture using biocompatible materials like 316L stainless steel, titanium, and PEEK under clean, controlled machining conditions. Every lead screw meets medical cleanliness and safety standards.

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