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Medical Fittings CNC Machining for Medical Industry

Medical fittings are components that are precisely machined to connect tubing and instruments and fluid delivery systems in medical instruments and patient care devices. At Zintilon, we focus on the CNC machining of medical fittings that include advanced Swiss-type turning to achieve outstanding thread precision, sealing, and biocompatibility so that the fluid transfer and clinicial connections are sterile and leak free for clinical sterile applications.
  • Machining for complex fitting geometries and thread profiles
  • Tight tolerances up to ±0.0005 in
  • Precision Swiss turning, thread grinding & electropolishing
  • Support for rapid prototyping and full-scale production
  • ISO 13485-certified medical device manufacturing


Trusted by 15,000+ businesses

Why Medical Companies
Choose Zintilon

prductivity

Fast Delivery

A professional engineering team that can respond quickly to customer needs and provide one-stop services from design to production in a short period of time to ensure fast delivery.

10x

High Precision

We are equipped with automated equipment and sophisticated measuring tools to achieve high accuracy and consistency, ensuring that every part meets the most stringent quality standards.

world

ISO13485 Certified

As a ISO13485 certified precision manufacturer, our products and services have met the most stringent quality standards in the automotive industry.

From Prototyping to Mass Production

Zintilon CNC machinig for medical fittings and related systems of connections for the medical device manufacturers, hospitals and surgical systems centers around the globe. Zintilon provides USB CNC machining for medical fittings and associated connection components for surgical centers, hospitals, and medical device manufacturers globally.

Prototype Medical Fittings

High precision prototyping of medical fittings to which accurately mirrors the final design is very advanced. Before the production of medical fittings at scale, the design sealing, biocompatibility and connection are tested to ascertain that it corresponds with the final design.

Key Points:

  • Rapid prototyping with high precision

  • Tight tolerances (±0.0005 in)

  • Test design, sealing, and biocompatibility early

3 Axis CNC Machined Stainless Steel Passivation

EVT – Engineering Validation Test

Quickly iterate on fitting prototypes to ensure they meet all functional and safety requirements. Identify potential issues early for a smoother transition to full-scale medical device manufacturing.

Key Points:

  • Validate prototype functionality

  • Conduct rapid design iterations

  • Confirm readiness for production
Anodized Aluminum 1024x536

DVT – Design Validation Test

Before moving on to mass production, validating the design accuracy and optimal fluid integrity of the medical fittings through dimensional and sealing performance tests of diverse materials and configurations is crucial.

Key Points:

  • Confirm design integrity and sealing

  • Test multiple materials and threads

  • Ensure production-ready performance
design aluminium

PVT – Production Validation Test

Before bulk production begins, validating the medical fittings production and determining the possible production difficulties to be solved on the production plan is crucial for the production to be consistent and efficient

Key Points:

  • Test the capacity for large scale production

  • Detect and fix process issues early

  • Ensure consistent part quality
Anodized Titanium Fastener

Mass Production

Consistent production of medical fittings to quality precision standards and time constraints guaranteeing performance of connector grade quality and fittings for medical distributors and healthcare facilities.

Key Points:

  • Consistent, high-volume production

  • Precision machining for medical-grade quality

  • Fast turnaround with strict quality control
production

Simplified Sourcing for
the Medical Industry

Our precision manufacturing capabilities are widely used in the medical industry. CNC machining, sheet metal fabrication and other technologies ensure high precision and heat resistance in the application of medical grade materials such as titanium alloy and PEEK.

Explore Other Medical Components

Browse our extensive selection of CNC machined medical parts, engineered to meet the highest quality and hygiene standards. From implant-grade components and instrument handles to housings for imaging systems and lab automation equipment, we deliver precision solutions for the evolving needs of the medical industry.

Medical Device Fittings Machining Capabilities

Medical device fittings CNC machining is delivered with combing CNC Swiss type machines, turning and thread grinding machines and matched experienced medical device machinists to meet and control precise dimensional and sealing performance.

We offer Swiss turning, thread grinding, hex machining, electropolishing, thread engagement, biocompatibility, surface finishing, pressure testing, and dimensional verification. Each medical fitting is machined from medical-grade stainless steel (303, 316L, 17-4 PH), brass (C36000, C46400), titanium alloys (Ti-6Al-4V), or medical-grade plastics (PEEK, polypropylene). Materials used exhibit biocompatibility and corrosion resistance towards repeated sterilization and clinical use, and these materials include stainless steel, titanium alloys, brass, and even plastics like PEEK and polypropylene.
milling

CNC Machining

sheet metal

Sheet Metal Fabrication

edm

Wire EDM

Aerospace
Materials & Finishes

Materials
We provide a wide range of materials, including metals, plastics, and composites.
Finishes
We offer superior surface finishes that enhance part durability and aesthetics for applications requiring smooth or textured surfaces.

Specialist Industries

you are welcome to emphasize it in the drawings or communicate with the sales.

Materials for Medical Fittings Components

Our CNC machine shop contains 20+ medical-grade metals, plastics, and biocompatible materials. This enables us to support rapid prototyping and precision connection component manufacturing, all while keeping consistent quality, adherence to regulatory standerds, and FDA compliance for materials used
Aluminum Image

High machinability and ductility. Aluminum alloys have good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance.

Price
$ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.003 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Stainless steel Image

Stainless steel alloys have high strength, ductility, wear and corrosion resistance. They can be easily welded, machined and polished. The hardness and the cost of stainless steel is higher than that of aluminum alloy.

Price
$ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Steel Image

Steel is a strong, versatile, and durable alloy of iron and carbon. Steel is strong and durable. High tensile strength, corrosion resistance heat and fire resistance, easily molded and formed. Its applications range from construction materials and structural components to automotive and aerospace components.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.001 mm (routing)
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Titanium Image

Titanium is an advanced material with excellent corrosion resistance, biocompatibility, and strength-to-weight characteristics. This unique range of properties makes it an ideal choice for many of the engineering challenges faced by the medical, energy, chemical processing, and aerospace industries.

Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Bronze Image

Highly resistant to seawater corrosion. The material’s mechanical properties are inferior to many other machinable metals, making it best for low-stress components produced by CNC machining.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Brass Image

Brass is mechanically stronger and lower-friction metal properties make CNC machining brass ideal for mechanical applications that also require corrosion resistance such as those encountered in the marine industry.

Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Copper Image

Few metals have the electric conductivity that copper has when it comes to CNC milling materials. The material’s high corrosion resistance aids in preventing rust, and its thermal conductivity features facilitate CNC machining shaping.

Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Zinc Image

Zinc is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Iron Image

Iron is an indispensable metal in the industrial sector. Iron is alloyed with a small amount of carbon – steel, which is not easily demagnetized after magnetization and is an excellent hard magnetic material, as well as an important industrial material, and is also used as the main raw material for artificial magnetism.

Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Magnesium Image

Due to the low mechanical strength of pure magnesium, magnesium alloys are mainly used. Magnesium alloy has low density but high strength and good rigidity. Good toughness and strong shock absorption. Low heat capacity, fast solidification speed, and good die-casting performance.

Price
$ $ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
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FAQs: Medical Fittings for Healthcare Applications

Medical fittings are specialized connection components that link tubing, catheters, and fluid lines in medical devices and systems for patient care. These fittings include threaded pipe fittings configured with NPT or metric threads for gas and fluid systems, compression fittings that form leak-tight seals on tubes, barbed hose fittings that attach to flexible tubing, quick-disconnect fittings that form rapid sterile connections, luer adapters that interface between luer and threaded systems, backflow check valve fittings, fluid splitters Y connectors and T fittings, and fittings of special design such as reducing adapters, bulkhead connectors, and manifold ports.

Medical fittings uses stainless steel grades 303, 316L, and 17-4 PH as they are corrosion resistant to body fluids and sterilizing chemicals, are biocompatible for patient contact, withstand pressures up to 500 psi and offer the electropolishing polishing to surfaces below 0.2 Ra microns. Brass is cost-efficient for bulk machining, offers good design capabilities, sufficient for non-patient contact in gas lines and equipment, and is used for brass components of enclosed systems. Titanium is biocompatible, corrosion resistant, light weight, and MRI compatible. Medical plastic grades such as PEEK and polypropylene are insulated, autoclave compatible, exposed chemically, and are cost effective for disposables.

Thread pitch diameter accuracy, hex flat dimensions, barb diameter, bore dimensions, and concentricity yield critical tolerances for barb fitting components. Fittings maintain desired flow, control leak, and prevent leakage in assembly to prevent fluid stagnation, and achieve desired flow at a minimum required pressure.

Yes, we provide rapid prototyping to verify fit and test assembly, with same-day CAD-to-part capability available for critical projects. For custom automation cells and research platforms, we perform low-volume production of 20 to 500 brackets. For standardized robot models, we perform high-volume production of thousands to tens of thousands of brackets annually, incorporating complete dimensional inspection, flatness verification, and material certifications.

Yes, Zintilon performs traceability and material biocompatibility testing to ISO 10993, which meets the requirement of the ISO 13485 standard. Zintilon performs traceability and biocompatibility testing to ISO 13485, which meets the requirement of the ISO 13485 standard. The medical fittings are fully compliant to FDA regulation for class 1 and class 2 medical devices, European medical device regulation (MDR) requirement, and ASME B1.20.1 standards for NPT threads. The fittings also comply to good manufacturing practices to ensure patient safety and sterile fluid delivery, and also comply with material biocompatibility testing to ISO 10993.

We provide comprehensive finishing solutions tailored to aerospace requirements:
Anodizing (Type II and Type III)
Passivation for corrosion resistance
Precision polishing for aerodynamic surfaces
Custom protective coatings and thermal barriers

Standard threaded and barbed fittings require 6–10 business days including Swiss turning, thread grinding, electropolishing, and quality verification, while custom specialty fittings with integrated valves need 3–4 weeks. Prototype runs for pressure testing and regulatory validation can be completed in 4–6 days depending on material availability and thread specifications.

Certainly. We develop high-pressure fittings for contrast injectors that withstand pressures up to 1200 psi, miniature fittings for microfluidic devices with flow passages of less than 0.5 millimeters, autoclave-compatible fittings that withstand 134°C steam sterilization for over 200 cycles, multi-port manifold fittings that distribute fluids to multiple channels, integrated sensor fittings for pressure or temperature monitoring, and designs tailored to specific applications for dialysis, anesthesia delivery, IV therapy, and lab automation.

Consistent thread profiles within ±0.0005 inches make certain that fittings engage to form seals that are leak-proof and capable of withstanding pressures of 500 psi without the use of gaskets or sealants. The precise taper angle on NPT threads ensures metal-to-metal sealing, thereby preventing fluid loss that could compromise sterility. Controlled barb dimensions ensure tube retention against pull-out forces of over 20 lbs. Smooth internal surfaces, with electropolishing to better than 0.2 Ra micron finish, prevent entrapment of particles and subsequent bacterial colonization. Proper hex dimensions ensure adequate torque application to prevent damage by over-tightening. The fittings are designed to withstand over 500 sterilization cycles, maintaining dimensional stability and sealing performance for reusable medical fluid systems.
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