PEEK Machining Services for Medical Devices

Medical devices demand materials that perform without compromise—PEEK delivers the biocompatibility, strength, and chemical resistance surgeons and engineers rely on. At Criterion Precision Machining, we apply over 70 years of precision manufacturing expertise and ISO 13485-certified quality systems to machine PEEK components to tolerances as tight as ±.0002", ensuring every part meets the exacting standards your application requires.

CNC machinist precision machining a PEEK component for a medical device application

Our PEEK Machining Services

From prototyping to full production, we deliver precision-machined PEEK components for medical devices with certified quality at every step.

CNC Milling

Precision 3-, 4-, and 5-axis CNC milling of PEEK for complex medical device components, achieving intricate geometries and tight tolerances with consistent, repeatable results across every production run.

CNC Turning

High-precision CNC turning of PEEK for cylindrical and complex-geometry medical parts, with tolerances down to ±.0002" and smooth surface finishes critical for implantable and surgical device applications.

Swiss Turning

Multi-axis Swiss turning for small-diameter, high-precision PEEK components used in minimally invasive instruments and micro-sized medical device parts requiring exceptional surface quality and dimensional accuracy.

Prototyping

Production-intent PEEK prototyping built to the same standards as full-production orders—enabling design validation, fit-and-function testing, and a seamless transition to higher-volume medical device manufacturing.

Quality Inspection

ISO 13485-certified inspection using CMM, OASIS optical systems, and Keyence measurement technology to verify every PEEK component meets precise dimensional and documentation requirements—at no extra charge.

Material Expertise

Deep expertise machining unfilled and filled-grade PEEK variants for medical applications, ensuring optimal tool paths, chip evacuation strategies, and finishing techniques that preserve PEEK's critical material properties.

Precision machining workflow for PEEK medical device components in a certified manufacturing facility

Our 5-Step PEEK Machining Process

Design Review & Application Engineering

Our team analyzes your medical device drawings and specifications, flagging any design-for-manufacturability concerns specific to PEEK's unique machining characteristics before a single chip is cut—reducing costly revisions downstream.

Material Selection & Sourcing

Precision CNC Machining

Multi-Point Quality Inspection

Documentation & Delivery

The Criterion Difference

Why Choose Criterion Precision Machining?

When your medical device cannot afford a single failure, you need a machining partner whose quality systems, expertise, and track record are beyond question.

ISO 13485 Certified

Our ISO 13485 and ISO 9001 certifications—plus FDA registration—ensure your PEEK components meet rigorous medical device quality and regulatory standards.

70+ Years of Precision

Founded in 1953 and now in its third generation, Criterion brings decades of institutional knowledge machining challenging materials for life-critical industries.

Tolerances to ±.0002"

Our advanced CNC milling, turning, and Swiss turning capabilities routinely achieve tolerances down to ±.0002" on complex PEEK geometries—exactly what medical devices demand.

Certified Quality Systems

Multi-point inspection using CMM, OASIS optical systems, and Keyence equipment guarantees dimensional conformance, with full documentation provided at no extra cost.

Meet the Criterion Team

Experienced professionals dedicated to precision, quality, and mission-critical outcomes.

Professional headshot of Tanya DiSalvo, President

Tanya DiSalvo

President

As third-generation owner and President of Criterion Precision Machining, Tanya DiSalvo leads our commitment to delivering mission-critical components for Texas railroad infrastructure. Under her leadership, Criterion has evolved into a woman-owned precision machining company specializing in the 'No Failure' sectors, including railroad safety systems. Tanya's vision has guided the company's investment in advanced CNC technology and ISO certification programs, ensuring our Texas railroad clients receive components that meet the most stringent safety and performance standards. Her dedication to quality excellence and operational efficiency has positioned Criterion as a trusted partner for railroad manufacturers requiring precision components that perform reliably across Texas's diverse operating environments, from Gulf Coast humidity to West Texas desert conditions.

Professional headshot of Kelly Marflak, Quality Manager

Kelly Marflak

Quality Manager

Kelly Marflak serves as Quality Manager at Criterion Precision Machining, overseeing our comprehensive quality assurance programs critical to railroad component manufacturing. With deep expertise in precision inspection protocols, Kelly manages our certified Quality Assurance program that includes multiple points of precision inspection built into manufacturing processes. She oversees the operation of our Global Advantage CMM with PC-DMIS software, OASIS Optical Automatic Smart Inspection System, and Keyence measuring systems capable of measuring up to 99 dimensions simultaneously. Kelly's meticulous attention to detail ensures every railroad component meets the exacting tolerances and safety standards required for Texas railroad applications. Her leadership in quality control processes has been instrumental in maintaining our ISO 13485 and ISO 9001 certifications, providing railroad manufacturers with the documentation and compliance verification essential for safety-critical components operating across Texas's extensive rail network.

Professional headshot of Mike Pinchot, Estimator/Project Manager

Mike Pinchot

Estimator/Project Manager

Mike Pinchot brings extensive project management expertise to Criterion's railroad machining operations as Estimator and Project Manager. With deep understanding of precision manufacturing requirements, Mike works closely with Texas railroad clients to develop accurate project estimates and manage complex machining programs from concept through delivery. His technical expertise enables him to assess challenging railroad component specifications and coordinate multi-axis machining operations, Swiss turning processes, and quality inspection requirements. Mike's project management approach ensures railroad components are delivered on time and within budget while meeting the stringent quality standards required for safety-critical applications. His collaborative work with engineering teams and manufacturing personnel has streamlined processes for producing complex railroad parts, from prototype development through full production runs, ensuring Texas railroad infrastructure receives components manufactured to the highest precision standards.

Professional headshot of David Glass, Chief Financial Officer

David Glass

Chief Financial Officer

David Glass serves as Chief Financial Officer at Criterion Precision Machining, bringing strategic financial leadership to support our continued growth and investment in advanced manufacturing capabilities. With his comprehensive understanding of manufacturing economics and operational efficiency, David ensures that our precision machining operations remain competitive while maintaining the highest quality standards. His financial expertise enables Criterion to make strategic investments in cutting-edge CNC equipment, quality systems, and workforce development that directly benefit our clients in mission-critical industries. David's analytical approach to business management helps optimize our manufacturing processes and resource allocation, ensuring we can deliver exceptional value to customers while maintaining the financial stability necessary for long-term partnerships. His commitment to operational excellence supports our ability to serve the demanding requirements of medical device, aerospace, defense, and photonics manufacturers who rely on our precision machining capabilities.

Kellyanne Gottschalk, Internal Systems Manager at Criterion Precision Machining

Kellyanne Gottschalk

Internal Systems Manager

Kellyanne Gottschalk serves as Internal Systems Manager at Criterion Precision Machining, responsible for managing and optimizing the company's operational and business systems, including the ProShop ERP platform. Her role is critical in ensuring seamless workflow from order intake to final delivery, enabling real-time visibility into production scheduling, quality documentation, and compliance tracking. Kellyanne's expertise in systems management supports Criterion's ability to scale efficiently while maintaining the rigorous documentation and traceability standards required by regulated industries such as medical devices and aerospace. Her work underpins the company's operational excellence and helps ensure every project is delivered on time and in full compliance.

Nilda Feliciano, Customer Service representative at Criterion Precision Machining

Nilda Feliciano

Customer Service

Nilda Feliciano is the Customer Service representative at Criterion Precision Machining, serving as a dedicated point of contact for clients throughout the entire order lifecycle. From initial inquiries to order updates and delivery coordination, Nilda ensures that every client receives responsive, clear, and professional communication. Her commitment to customer satisfaction reflects Criterion's values of reliability and partnership, particularly important for clients in time-sensitive industries like aerospace, defense, and medical devices. Nilda's friendly and knowledgeable approach helps build lasting relationships with customers, ensuring they feel supported and informed at every stage of their project with Criterion.

Bonnie Paletta, Office Administrator at Criterion Precision Machining

Bonnie Paletta

Office Administrator

Bonnie Paletta serves as Office Administrator at Criterion Precision Machining, keeping the day-to-day operations of the business running smoothly. Her organizational skills and attention to detail ensure that administrative processes, documentation, and internal coordination are handled efficiently, freeing up the production and quality teams to focus on delivering precision components. Bonnie is a vital part of the Criterion team, contributing to the company's culture of professionalism and reliability. Her support role touches every department, helping to maintain the high standards of communication and organization that Criterion's clients in medical device, aerospace, and defense industries depend on.

Frequently Asked Questions

Is PEEK easily machinable?

PEEK (Polyether Ether Ketone) is considered machinable compared to many engineering plastics, but it requires proper tooling, speeds, feeds, and chip evacuation strategies to achieve optimal results. Its semi-crystalline structure can cause tool wear if not managed correctly. At Criterion, our experienced machinists have refined proven processes for PEEK, routinely achieving tolerances as tight as ±.0002" and excellent surface finishes for medical device applications.

Can you CNC machine PEEK?

What PEEK grades do you machine for medical devices?

What tolerances can you hold on PEEK medical components?

Are you ISO 13485 certified for medical device machining?

Do you offer PEEK prototyping before full production?

What documentation do you provide with PEEK medical device components?

What is your typical lead time for PEEK machined components?

Still Have Questions About PEEK Machining?

Talk to our engineering team for a free consultation on your medical device component requirements.

Where We Serve

Criterion ships precision-machined PEEK medical device components to customers across the United States from our Brook Park, Ohio facility.

Nationwide USA

Service Area

Brook Park, Ohio

Headquarters

Medical & More

Industries Served

Do We Service Your Location?

We ship precision PEEK components to medical device customers across the United States.

Certified & Trusted

Awards and Recognition

ISO 13485 medical device quality management certification logo

ISO 13485 Certified

Medical device quality management system certification ensuring rigorous process control.

ISO 9001 quality management system certification logo

ISO 9001 Certified

International standard for quality management systems across all operations.

WBENC Women's Business Enterprise National Council certification logo

WBENC Certified

Women's Business Enterprise National Council certified woman-owned business.

Get a Quote for Your PEEK Medical Device Components

Share your drawings and specifications with our team. We'll review your requirements and respond with a precise quote, lead time estimate, and any application engineering recommendations—typically within one business day.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 216-267-1733. You can also send us a quick email at office@criteriontool.com.