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Surgical & Diagnostic Components

Hypodermic Needle Manufacturing

  • Process
    Swiss turning, bevel grinding, deburring
  • Material
    Stainless steel, aluminum, polycarbonate, PEEK
  • Finish
    Passivation, electropolishing, cleaning

MedCNCParts supports needle manufacturing at the component level: hypodermic and specialty needle parts made to the drawings of device OEMs and contract manufacturers. Parts are inspected under an ISO 13485 quality system.

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Description Types Process Custom Options Tech Specs Related Products FAQs
Hypodermic Needle Manufacturing Desc Image

Component-Level Needle Manufacturing

MedCNCParts, the medical division of DEK, makes needle components to your drawing within our surgical and diagnostic components range; the finished needle, its assembly and sterilization stay with the OEM. For the full industry route, from tube drawing to packaging, see how hypodermic needles are made.

Made to your drawing Icon

Made to your drawing

Hubs, stylets and cannulas are made to your drawing; none is a catalog part, and every lot is traced from tubing or bar to the shipped part.

Validation stays with the OEM Icon

Validation stays with the OEM

The OEM owns design validation, ISO 10993 biological evaluation, sterilization validation and regulatory clearance.

Documents on request Icon

Documents on request

Parts are made under an ISO 13485 quality system; the FAI report, CoC and material certificates are supplied on request.

From pilot build to repeat needle lots

Tell us your quantities, from samples and pilot build to annual repeat volume. Hubs and stylets are usually made complete by Swiss turning, and round stylet diameters can be finished by cylindrical grinding. Plastic hubs are machined for low volumes and engineering samples.

Needle components we produce

Cannulas cut to length

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Cannulas cut to length

Cannulas are cut to length from purchased needle tubing, with square or angled ends. Gauge and wall (regular, thin or extra-thin) follow your drawing, and overall length and cut-end condition are checked on each lot.

Ground bevels and points

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Ground bevels and points

Lancet, short-bevel and trocar points are ground to the primary and secondary angles on the drawing, in a fixture that holds the angle and the bevel orientation. Bevel length, point geometry and orientation are checked at first article and on each lot.

Side ports and notches

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Side ports and notches

Side ports and notches are cut in the cannula wall and deburred inside and out. Position, size and edge condition are checked, and burrs are inspected under magnification.

Stylets and obturators

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Stylets and obturators

Stylets and obturators are solid wires or rods with a ground tip matched to the cannula bevel. They are made in instrument stainless per ASTM F899, with grade and hardness per drawing.

Machined hubs

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Machined hubs

Hubs are machined in stainless steel, aluminum, polycarbonate or PEEK, including Luer features to ISO 80369-7 when specified. Bore, Luer geometry and concentricity to the cannula seat are checked against the drawing.

Needle manufacturing, step by step

  • Materials
  • Machining
  • Finishing
  • Inspection
  • Materials

    Tubing and materials

    Cannula tubing meets ISO 9626, in austenitic stainless, commonly 304 or 316 grades, with gauge and wall per drawing. Stylets and obturators use instrument stainless per ASTM F899; metal hubs are 316L stainless steel or aluminum, and plastic hubs are polycarbonate or PEEK.

    Material comes from the drawing, every lot is traced from tubing or bar to the shipped part, and material certificates are supplied on request.

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  • Machining

    Cut, ground and deburred

    Each route starts with an incoming check: the tubing or bar certificate is compared with the drawing and the lot is recorded. Tubes are cut to length with a controlled end condition and no closed lumen, then bevel and point geometry is ground in a fixture that holds the angle and the bevel orientation.

    Side ports are then cut, and the inside and outside edges of ports, bevels and cut ends are deburred before cleaning to the OEM's specification.

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  • Finishing

    Finishing and cleanliness

    Stainless needle components are finished to the drawing. Passivation per ASTM A967 restores the passive layer after cutting and grinding; electropolishing per ASTM B912 also removes micro-burrs on edges and ports.

    Bevels, ports and cut ends are inspected for burrs under magnification, and lumen and surfaces are cleaned to the OEM's specification. For the choice between the two finishes, see electropolishing vs passivation.

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  • Inspection

    Inspection and records

    Critical features are agreed at drawing review and checked at first article and on each lot: tube OD, ID, wall and straightness, length and cut-end condition, bevel angles and orientation, side ports, hub bore and Luer geometry, and surfaces. The FAI report, CoC and lot records are supplied on request.

    Tests on the finished sterile needle (penetration force, sharpness, ISO 7864 compliance) and ISO 6009 hub color coding belong to the OEM.

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Fully Custom Materials & Surface Finishes Options

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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

Hypodermic Needle Manufacturing Specs Image
Part types Cannulas, stylets, obturators, machined hubs
Tubing ISO 9626 stainless, commonly 304 or 316
Cannula features Lancet, short-bevel, trocar points; side ports
Materials ASTM F899 stainless, 316L, aluminum, polycarbonate, PEEK
Finishes Passivation (ASTM A967), electropolishing (ASTM B912)
Inspection First article and each lot
Documentation FAI report, CoC, material certificates, CMM report on request
Quantities Samples, pilot builds, annual repeat volumes

Frequently Asked Questions

FAQs

Send your needle drawing with the material, quantities and documents you need.

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MedCNCParts manufactures components to customer specifications; it does not design or market medical devices.

Which needle components can you make?

Machined hubs, stylets and obturators, and cannulas cut to length with ground bevels, side ports and deburred edges, all to your drawing.

Do you draw the tubing?

No. Needle tubing is purchased to ISO 9626 with certificates (supplied on request), then cut, ground and finished.

Can you grind custom bevel and point geometries?

Lancet, short-bevel and trocar points can be ground to the angles on your drawing, confirmed at drawing review and checked at first article.

Do you assemble needles to hubs in a cleanroom?

No. We supply needle components; hub bonding, assembly, sterilization and packaging stay with the OEM or its contract manufacturer.

What documentation do you provide?

On request, we supply the documents your program needs: a CoC, tubing and material certificates with lot traceability, an FAI report and inspection records for critical dimensions. Parts are made under an ISO 13485-certified quality system.

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