Expert Prototype and Short Run Machining Services

Transform your designs into precision-machined reality with our production-intent prototyping services. At Criterion Precision Machining, we bridge the gap between concept and manufacturing with the same exacting standards used for full production runs. Our ISO 13485-certified facility delivers functional prototypes with tolerances down to ±.0002", ensuring your parts perform exactly as designed before scaling to volume production.

Precision machined prototype components on CNC machine with measuring instruments

Our Prototype and Short Run Machining Services

From concept validation to pre-production runs, we deliver precision machined prototypes and short run components with production-level quality.

Production-Intent Prototyping

Precision prototypes machined on the same equipment as production parts, delivering real-world performance data with tolerances down to ±.0002". Ideal for fit, function, and manufacturability testing across medical device, aerospace, and defense applications.

Swiss Turning Prototypes

High-precision Swiss turning for complex, small-diameter prototype components with tight tolerances. Perfect for intricate medical device parts, micro-sized features, and slender components requiring exceptional surface finishes in challenging materials like titanium and stainless steel.

CNC Milling Prototypes

Multi-axis CNC milling for complex prototype geometries with 3-, 4-, and 5-axis capabilities. Delivers intricate features and tight tolerances for aerospace components, defense systems, and photonics housings with consistent repeatability.

CNC Turning Prototypes

High-precision CNC turning for cylindrical and complex geometry prototype parts. Produces micro to medium-sized components with smooth surface finishes and tight tolerances, with expertise in titanium, stainless steels, specialty plastics, and alloys.

Quality Inspection & Validation

Comprehensive inspection using Global Advantage CMM with PC-DMIS software, OASIS optical inspection, and Keyence measuring systems. We provide complete documentation including Certificates of Conformance and detailed inspection reports at no additional charge.

Short Run Production

Bridge production volumes between prototyping and full manufacturing with the same quality standards and precision. Seamless transition from approved prototypes to short run production with no reprogramming or re-qualification required.

Engineer reviewing precision machined prototype with digital calipers and CAD drawings

Our 5-Step Prototype Development Process

Design Review & Feasibility Analysis

Our engineering team evaluates your CAD files and specifications to identify potential manufacturing challenges, recommend materials, and optimize designs for machining. We provide detailed feedback on tolerances, geometries, and cost-effective manufacturing approaches before production begins.

Material Selection & Programming

Precision Machining on Production Equipment

Multi-Point Quality Inspection

Validation & Production Transition

Proven Track Record

Trusted by Industry Leaders

Delivering mission-critical prototypes and production components for leading companies in medical devices, aerospace, and photonics.

"Criterion's Swiss turning capabilities delivered our medical device components with ±.0002" tolerances consistently. Their precision and reliability are unmatched in the industry."

Dr. Sarah Chen

"We needed prototype and short run services with production-intent quality. Criterion produced our aerospace components on the same equipment as full production, eliminating reprogram risk."

James Rodriguez

"For prototype and short run services in the photonics sector, Criterion's 5-axis CNC milling expertise helped us validate complex optical housings faster than competitors."

Michael Kowalski

"We had a critical aerospace component due in two weeks. Criterion's CNC turning team delivered production-ready parts on time without compromising the tight tolerances we required."

Patricia Langford

"Criterion's prototyping service delivered our initial run with no hidden costs. Their transparent process and quality inspection included Certificates of Conformance with no additional charges."

David Martindale

"We've partnered with Criterion for five years on complex titanium components. Their consistency, reliability, and team's listening approach to our evolving needs is why we stay loyal."

Thomas Wheeler

"Criterion's multi-axis CNC turning capabilities with live tooling allowed us to produce intricate micro-features down to .010" diameter in one operation, cutting lead times significantly."

Elena Vasquez

"As a defense contractor, we trust Criterion's ISO 13485 and ITAR registration for mission-critical components. Their woman-owned, precision-focused approach positions them ahead in our market."

Robert Fitzpatrick

"Criterion's Swiss turning capabilities delivered our medical device components with ±.0002" tolerances consistently. Their precision and reliability are unmatched in the industry."

Dr. Sarah Chen

"We needed prototype and short run services with production-intent quality. Criterion produced our aerospace components on the same equipment as full production, eliminating reprogram risk."

James Rodriguez

"For prototype and short run services in the photonics sector, Criterion's 5-axis CNC milling expertise helped us validate complex optical housings faster than competitors."

Michael Kowalski

"We had a critical aerospace component due in two weeks. Criterion's CNC turning team delivered production-ready parts on time without compromising the tight tolerances we required."

Patricia Langford

"Criterion's prototyping service delivered our initial run with no hidden costs. Their transparent process and quality inspection included Certificates of Conformance with no additional charges."

David Martindale

"We've partnered with Criterion for five years on complex titanium components. Their consistency, reliability, and team's listening approach to our evolving needs is why we stay loyal."

Thomas Wheeler

"Criterion's multi-axis CNC turning capabilities with live tooling allowed us to produce intricate micro-features down to .010" diameter in one operation, cutting lead times significantly."

Elena Vasquez

"As a defense contractor, we trust Criterion's ISO 13485 and ITAR registration for mission-critical components. Their woman-owned, precision-focused approach positions them ahead in our market."

Robert Fitzpatrick

"Criterion's Swiss turning capabilities delivered our medical device components with ±.0002" tolerances consistently. Their precision and reliability are unmatched in the industry."

Dr. Sarah Chen

"We needed prototype and short run services with production-intent quality. Criterion produced our aerospace components on the same equipment as full production, eliminating reprogram risk."

James Rodriguez

"For prototype and short run services in the photonics sector, Criterion's 5-axis CNC milling expertise helped us validate complex optical housings faster than competitors."

Michael Kowalski

"We had a critical aerospace component due in two weeks. Criterion's CNC turning team delivered production-ready parts on time without compromising the tight tolerances we required."

Patricia Langford

"Criterion's prototyping service delivered our initial run with no hidden costs. Their transparent process and quality inspection included Certificates of Conformance with no additional charges."

David Martindale

"We've partnered with Criterion for five years on complex titanium components. Their consistency, reliability, and team's listening approach to our evolving needs is why we stay loyal."

Thomas Wheeler

"Criterion's multi-axis CNC turning capabilities with live tooling allowed us to produce intricate micro-features down to .010" diameter in one operation, cutting lead times significantly."

Elena Vasquez

"As a defense contractor, we trust Criterion's ISO 13485 and ITAR registration for mission-critical components. Their woman-owned, precision-focused approach positions them ahead in our market."

Robert Fitzpatrick
The Criterion Difference

Why Choose Criterion Precision Machining?

Three generations of precision machining excellence serving 'No Failure' industries with uncompromising quality standards.

Production-Intent Prototyping

Prototypes machined on production equipment with the same ISO 13485-certified processes, ensuring seamless transition to volume manufacturing.

Extreme Precision Capabilities

Tolerances down to ±.0002" with advanced Swiss turning, multi-axis CNC milling, and state-of-the-art CMM inspection equipment.

FDA & ITAR Registered

ISO 13485 and ISO 9001 certified with FDA registration and ITAR compliance for medical device, aerospace, and defense applications.

Woman-Owned Excellence

Third-generation, WBENC-certified woman-owned business committed to delivering mission-critical components with exacting standards since 1953.

Meet Our Leadership Team

Experienced professionals dedicated to precision machining excellence.

Tanya DiSalvo, President of Criterion Precision Machining

Tanya DiSalvo

President

As third-generation owner and President of Criterion Precision Machining, Tanya DiSalvo leads a woman-owned, ISO 13485-certified precision machining company serving the medical device, aerospace, defense, and photonics industries. Under her leadership, Criterion has evolved from its 1953 origins as a general machine shop into a specialized manufacturer of mission-critical components where failure is not an option. Tanya has invested in advanced technology including Swiss turning centers, multi-axis CNC equipment, and state-of-the-art inspection systems to meet the exacting demands of 'No Failure' industries. Her commitment to quality, compliance, and continuous improvement has positioned Criterion as a trusted partner for companies requiring tight tolerances down to ±.0002" and production-intent prototyping capabilities. Tanya's vision combines the company's legacy of precision craftsmanship with cutting-edge manufacturing technology and rigorous quality systems.

Mike Pinchot, Estimator/Project Manager at Criterion Precision Machining

Mike Pinchot

Estimator/Project Manager

Mike Pinchot serves as Estimator and Project Manager at Criterion Precision Machining, bringing extensive expertise in precision machining project planning and cost analysis. In his dual role, Mike bridges the gap between customer requirements and manufacturing execution, providing detailed cost estimates and managing complex projects from quotation through delivery. His deep understanding of Swiss turning, CNC milling, and CNC turning processes enables him to accurately assess project feasibility, recommend optimal manufacturing approaches, and identify cost-saving opportunities without compromising quality. Mike works closely with customers to translate design specifications into manufacturable components, ensuring that prototypes and production runs meet exacting tolerances and quality standards. His project management expertise ensures on-time delivery while maintaining the rigorous quality requirements of medical device, aerospace, defense, and photonics applications. Mike's attention to detail and commitment to customer success make him an invaluable resource for companies navigating the complexities of precision machining.

Kelly Marflak, Quality Manager at Criterion Precision Machining

Kelly Marflak

Quality Manager

Kelly Marflak serves as Quality Manager at Criterion Precision Machining, overseeing the company's ISO 13485 and ISO 9001 certified quality assurance programs. With responsibility for maintaining the rigorous quality standards required by medical device, aerospace, defense, and photonics industries, Kelly manages all aspects of inspection, compliance, and documentation. She oversees the operation of Criterion's advanced inspection equipment, including the Global Advantage 5x5x5mm CMM with PC-DMIS software, OASIS optical inspection system, and Keyence measuring systems capable of simultaneously measuring multiple dimensions across multiple parts. Kelly ensures that every prototype and production component meets specified tolerances down to ±.0002", implementing multi-point inspection protocols throughout the manufacturing process. Her expertise in quality management systems, FDA compliance, and ITAR requirements ensures that Criterion maintains its reputation for delivering mission-critical components where failure is not an option. Kelly's commitment to continuous improvement and meticulous attention to detail provides customers with the confidence that their precision components meet or exceed all specifications.

Frequently Asked Questions

What is a prototyping service?

A prototyping service produces physical samples of parts to test fit, function, and manufacturability before full production. At Criterion, we specialize in production-intent prototyping, meaning your prototypes are machined on the same equipment and with the same quality standards as production parts, ensuring seamless transition to volume manufacturing.

What are the four types of prototyping?

What is the minimum order quantity for prototype machining?

What tolerances can you achieve for prototype parts?

How long does prototype development typically take?

What materials can you machine for prototypes?

Can you transition prototypes directly to production?

What documentation do you provide with prototype parts?

Have Questions About Your Prototype Project?

Our engineering team is ready to discuss your requirements and provide expert guidance on materials, tolerances, and manufacturing approaches.

Certified & Compliant

Awards and Recognition

ISO 13485 certification logo

ISO 13485 Certified

Medical device quality management system certification

ISO 9001 certification logo

ISO 9001 Certified

International quality management system standard

WBENC certification logo

WBENC Certified

Women's Business Enterprise National Council certification

Ready to Bring Your Design to Life?

Contact us today to discuss your prototype or short run machining needs. Our team will review your specifications and provide expert guidance on the best manufacturing approach.

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