Expert Precision Turning Specialties Services for Custom Parts

Transform your most challenging designs into mission-critical components with our advanced precision turning capabilities. From micro-features to complex geometries, we deliver tight tolerances down to ±.0002" using state-of-the-art Swiss turning and CNC technology. Trusted by medical device, aerospace, and defense industries where failure is not an option.

Precision CNC turning machine creating custom metal components with tight tolerances

Our Precision Turning Specialties Services

Complete precision machining solutions from prototyping to production with certified quality assurance.

Swiss Turning

Ultra-precise Swiss turning for complex components with diameters as small as .010" and tolerances down to ±.0002" using multi-axis live tooling capabilities.

CNC Turning

High-precision CNC turning for cylindrical and complex geometry parts, delivering exceptional surface finishes and tight tolerances for critical applications.

CNC Milling

Advanced 3-, 4-, and 5-axis CNC milling for intricate multi-axis components requiring complex geometries and consistent repeatability across production runs.

Prototyping

Production-intent prototyping that bridges design and manufacturing, delivering meaningful data and real-world performance insights using the same precision equipment as production.

Quality Inspection

Certified quality assurance with Global Advantage CMM, PC-DMIS software, and OASIS optical inspection system for comprehensive dimensional verification and documentation.

Custom Components

Specialized machining of titanium, stainless steels, specialty plastics, and alloys for mission-critical applications in no-failure industries requiring absolute precision.

No Failure Solutions

Mission-Critical Components with Uncompromising Precision

Our precision turning specialties deliver the exact components your critical applications demand. With decades of expertise in medical device, aerospace, and defense industries, we machine complex geometries and micro-features that others can't achieve. Every part meets exacting tolerances using advanced Swiss turning, multi-axis CNC capabilities, and certified quality systems trusted by industry leaders.

Precision machined custom metal components showing intricate details and smooth finishes
Trusted By Leaders

Success Stories

Delivering mission-critical components to industry leaders like Riverpoint Medical, Corning, and Smith & Nephew.

"Criterion's CNC Turning services delivered our surgical instrument components with ± .0002" tolerances. Exceptional quality and reliability for mission-critical applications."

Dr. Patricia Chen

"We had a critical aerospace bracket with complex geometry that other shops rejected. Criterion's 5-Axis CNC Milling solved it perfectly with tight tolerances and zero defects."

James Morrison

"Working with Criterion on precision turning specialties has transformed our competitive position. Their expertise in micro-features and tight tolerances keeps us ahead in photonics."

Robert Nakamura

"We needed prototype runs turned around in two weeks for FDA submission. Criterion's Swiss Turning and rapid prototyping capabilities met our deadline without compromising quality."

Lisa Kowalski

"Their Quality Inspection service with PC-DMIS CMM and zero-charge Certificates of Conformance saved us thousands. ROI on every order is exceptional for our defense contracts."

Colonel Michael Torres

"Ten years with Criterion. Their consistent precision turning specialties and responsiveness to our evolving needs make them indispensable. True partnership built on trust."

Kenneth Abbott

"Their OASIS optical inspection system and Keyence measuring capabilities ensure every part meets our exacting medical device specifications. Flawless every time."

Dr. Sandra Volkov

"As a woman-owned business ourselves, we trust Criterion's ISO 13485 certification and ITAR registration. Their precision turning specialties are industry-leading."

Victoria Park

"Criterion's CNC Turning services delivered our surgical instrument components with ± .0002" tolerances. Exceptional quality and reliability for mission-critical applications."

Dr. Patricia Chen

"We had a critical aerospace bracket with complex geometry that other shops rejected. Criterion's 5-Axis CNC Milling solved it perfectly with tight tolerances and zero defects."

James Morrison

"Working with Criterion on precision turning specialties has transformed our competitive position. Their expertise in micro-features and tight tolerances keeps us ahead in photonics."

Robert Nakamura

"We needed prototype runs turned around in two weeks for FDA submission. Criterion's Swiss Turning and rapid prototyping capabilities met our deadline without compromising quality."

Lisa Kowalski

"Their Quality Inspection service with PC-DMIS CMM and zero-charge Certificates of Conformance saved us thousands. ROI on every order is exceptional for our defense contracts."

Colonel Michael Torres

"Ten years with Criterion. Their consistent precision turning specialties and responsiveness to our evolving needs make them indispensable. True partnership built on trust."

Kenneth Abbott

"Their OASIS optical inspection system and Keyence measuring capabilities ensure every part meets our exacting medical device specifications. Flawless every time."

Dr. Sandra Volkov

"As a woman-owned business ourselves, we trust Criterion's ISO 13485 certification and ITAR registration. Their precision turning specialties are industry-leading."

Victoria Park

"Criterion's CNC Turning services delivered our surgical instrument components with ± .0002" tolerances. Exceptional quality and reliability for mission-critical applications."

Dr. Patricia Chen

"We had a critical aerospace bracket with complex geometry that other shops rejected. Criterion's 5-Axis CNC Milling solved it perfectly with tight tolerances and zero defects."

James Morrison

"Working with Criterion on precision turning specialties has transformed our competitive position. Their expertise in micro-features and tight tolerances keeps us ahead in photonics."

Robert Nakamura

"We needed prototype runs turned around in two weeks for FDA submission. Criterion's Swiss Turning and rapid prototyping capabilities met our deadline without compromising quality."

Lisa Kowalski

"Their Quality Inspection service with PC-DMIS CMM and zero-charge Certificates of Conformance saved us thousands. ROI on every order is exceptional for our defense contracts."

Colonel Michael Torres

"Ten years with Criterion. Their consistent precision turning specialties and responsiveness to our evolving needs make them indispensable. True partnership built on trust."

Kenneth Abbott

"Their OASIS optical inspection system and Keyence measuring capabilities ensure every part meets our exacting medical device specifications. Flawless every time."

Dr. Sandra Volkov

"As a woman-owned business ourselves, we trust Criterion's ISO 13485 certification and ITAR registration. Their precision turning specialties are industry-leading."

Victoria Park
The Criterion Difference

Why Choose Criterion Precision Machining?

Discover what makes us the trusted partner for no-failure industries.

Expertise

Over 70 years of precision machining excellence serving mission-critical industries.

Certification

ISO 13485 and ISO 9001 certified with FDA and ITAR registration.

Technology

Advanced Swiss turning, 5-axis milling, and Global Advantage CMM inspection capabilities.

Precision

Achieving tight tolerances down to ±.0002" for the most demanding applications.

Meet The Precision Team

Industry experts dedicated to delivering mission-critical components.

Professional headshot of Tanya DiSalvo, President of Criterion Precision Machining

Tanya DiSalvo

President

As the third-generation owner of Criterion Precision Machining, Tanya DiSalvo leads a woman-owned business that has been delivering precision machining excellence since 1953. Under her leadership, Criterion has evolved from a general machine shop into a specialized precision manufacturer serving the most demanding industries where failure is not an option. Tanya has positioned the company as a trusted partner for medical device, aerospace, defense, and photonics industries, investing in advanced technology and quality systems to meet exacting customer demands. Her commitment to precision, quality, and customer satisfaction has earned Criterion recognition as a WBENC certified women's business enterprise, while maintaining the company's legacy of innovation and reliability that has spanned over seven decades.

Professional headshot of Mike Pinchot, Estimator/Project Manager at Criterion Precision Machining

Mike Pinchot

Estimator/Project Manager

Mike Pinchot brings extensive expertise in project management and cost estimation to Criterion's precision machining operations. As an experienced Estimator and Project Manager, Mike works closely with clients to understand their unique requirements and translate complex specifications into actionable manufacturing plans. His deep understanding of precision machining processes, materials, and manufacturing capabilities enables him to provide accurate project estimates and timelines for even the most challenging components. Mike coordinates cross-functional teams to ensure projects are delivered on time and within budget while maintaining Criterion's exacting quality standards. His attention to detail and commitment to customer satisfaction makes him an invaluable liaison between clients and the production team, ensuring seamless communication throughout the entire manufacturing process from initial quote to final delivery.

Professional headshot of Kelly Marflak, Quality Manager at Criterion Precision Machining

Kelly Marflak

Quality Manager

Kelly Marflak oversees Criterion's comprehensive quality assurance program, ensuring every component meets the stringent requirements of mission-critical industries. With extensive experience in quality management systems, Kelly maintains the company's ISO 13485 and ISO 9001 certifications while implementing continuous improvement processes that enhance product quality and customer satisfaction. She manages the operation of advanced inspection equipment including the Global Advantage CMM with PC-DMIS software and the OASIS optical inspection system, ensuring dimensional accuracy and compliance with customer specifications. Kelly's expertise in quality control processes, statistical process control, and regulatory compliance makes her instrumental in maintaining Criterion's reputation for delivering zero-defect components. Her dedication to quality excellence ensures that every part leaving the facility meets or exceeds the exacting standards required by medical device, aerospace, defense, and photonics industries where failure is simply not an option.

Frequently Asked Questions

What tolerances can you achieve with precision turning?

We consistently achieve tight tolerances down to ±.0002" using our advanced Swiss turning and CNC equipment with certified quality inspection processes.

What materials do you work with for custom parts?

Do you offer prototyping services before full production?

What industries do you serve with precision turning?

What certifications do you maintain for quality assurance?

What is the smallest diameter you can turn?

Do you provide inspection reports with your parts?

What is your typical lead time for custom turned parts?

Have Questions About Your Project?

Our precision machining experts are ready to discuss your specific requirements and capabilities.

Certified & Trusted

Awards and Recognition

ISO 13485 certification logo for medical device quality management

ISO 13485

Medical device quality management certification

ISO 9001 certification logo for quality management systems

ISO 9001

International quality management system standard

WBENC Women's Business Enterprise certification logo

WBENC Certified

Women's Business Enterprise certification

Ready to Discuss Your Precision Turning Project?

Get expert guidance on your custom parts requirements and receive a detailed quote for your project.

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