Inconel Machining Services for Aerospace

Inconel's legendary toughness demands a machining partner with the tools, expertise, and zero-tolerance mindset to match. Criterion Precision Machining has been delivering mission-critical aerospace components since 1953—holding tolerances down to ±.0002" on one of the most challenging superalloys in the industry. Discover what precision-rooted experience can do for your next aerospace program.

CNC machinist working on an Inconel aerospace component in a precision machine shop

Our Inconel Machining Services

Comprehensive precision machining capabilities engineered for Inconel superalloys in demanding aerospace applications.

CNC Milling

Multi-axis CNC milling for complex Inconel aerospace components. Our 3-, 4-, and 5-axis capabilities handle intricate geometries and tight tolerances critical to flight-ready parts.

CNC Turning

High-precision CNC turning for Inconel cylindrical and complex-geometry aerospace parts, delivering tolerances down to ±.0002" with excellent surface finishes on challenging superalloys.

Swiss Turning

Swiss turning for small-diameter, tight-tolerance Inconel aerospace components. Ideal for slender, high-precision parts requiring exceptional surface integrity in multi-axis operations.

Aerospace Prototyping

Production-intent Inconel prototyping machined to full aerospace standards. Prototypes are produced on the same equipment as final parts for seamless qualification and scale-up.

Quality Inspection

Certified multi-point inspection for every Inconel aerospace part, including CMM measurement, optical OASIS system, and full documentation—Certificates of Conformance at no extra charge.

Material Expertise

Specialized experience machining Inconel 718, 625, and related nickel-based superalloys used in turbine blades, engine casings, and structural aerospace components requiring extreme heat resistance.

No-Failure Machining

Precision Inconel Machining Built for Aerospace Standards

Inconel superalloys resist heat and corrosion exceptionally well—but that same toughness makes them notoriously difficult to machine. Criterion's aerospace customers trust us because we combine 70+ years of precision machining experience with advanced multi-axis CNC equipment, ISO 9001-certified quality systems, and in-house CMM inspection to deliver Inconel components that meet the strictest aerospace tolerances. From turbine hardware to structural flight components, we machine Inconel the right way—every time.

Finished Inconel aerospace component next to a CMM inspection probe in a precision machine shop
Trusted by Aerospace

Success Stories

See how Criterion delivers flawless Inconel components for aerospace programs where failure is never an option.

"Criterion's Swiss turning capabilities are exceptional. They machined our titanium medical components to ±.0002" tolerances with flawless surface finishes. Absolutely reliable."

Dr. Sarah Chen

"We needed aerospace-grade inconel machining services fast. Criterion delivered tight-tolerance parts in half our expected timeline without compromising quality. Their responsiveness saved our program."

James Mitchell

"For inconel machining services in the aerospace sector, Criterion stands apart. Their ISO 13485 certification and precision CNC milling of complex geometries give us competitive edge in our market."

Robert Kellerman

"Their 5-axis CNC milling handled our impossible defense specs with zero rework. The in-house quality inspection using their CMM with PC-DMIS software guaranteed every part met exacting standards."

Colonel Marcus Webb

"Criterion's prototyping service proved invaluable. Production-intent prototypes delivered on the same machines as final parts, eliminating reprogram risk. Cost-effective partnership for our medical innovations."

Dr. Linda Vasquez

"Working with Criterion for seven years now. Their consistent quality, woman-owned expertise, and proactive communication make them irreplaceable. True mission-critical partners in precision machining."

Thomas Prescott

"Their Global Advantage CMM with TESTASTAR probe and OASIS optical inspection system caught micro-dimensional issues our team missed. The PC-DMIS documentation ensures FDA and ITAR compliance seamlessly."

Kevin O'Brien

"Criterion's CNC turning of specialty materials—titanium, PEEK, stainless steel—for photonics housings is unmatched. Third-generation leadership brings reliability, precision rooted in legacy, focused on our future."

Dr. Akira Yamamoto

"Criterion's Swiss turning capabilities are exceptional. They machined our titanium medical components to ±.0002" tolerances with flawless surface finishes. Absolutely reliable."

Dr. Sarah Chen

"We needed aerospace-grade inconel machining services fast. Criterion delivered tight-tolerance parts in half our expected timeline without compromising quality. Their responsiveness saved our program."

James Mitchell

"For inconel machining services in the aerospace sector, Criterion stands apart. Their ISO 13485 certification and precision CNC milling of complex geometries give us competitive edge in our market."

Robert Kellerman

"Their 5-axis CNC milling handled our impossible defense specs with zero rework. The in-house quality inspection using their CMM with PC-DMIS software guaranteed every part met exacting standards."

Colonel Marcus Webb

"Criterion's prototyping service proved invaluable. Production-intent prototypes delivered on the same machines as final parts, eliminating reprogram risk. Cost-effective partnership for our medical innovations."

Dr. Linda Vasquez

"Working with Criterion for seven years now. Their consistent quality, woman-owned expertise, and proactive communication make them irreplaceable. True mission-critical partners in precision machining."

Thomas Prescott

"Their Global Advantage CMM with TESTASTAR probe and OASIS optical inspection system caught micro-dimensional issues our team missed. The PC-DMIS documentation ensures FDA and ITAR compliance seamlessly."

Kevin O'Brien

"Criterion's CNC turning of specialty materials—titanium, PEEK, stainless steel—for photonics housings is unmatched. Third-generation leadership brings reliability, precision rooted in legacy, focused on our future."

Dr. Akira Yamamoto

"Criterion's Swiss turning capabilities are exceptional. They machined our titanium medical components to ±.0002" tolerances with flawless surface finishes. Absolutely reliable."

Dr. Sarah Chen

"We needed aerospace-grade inconel machining services fast. Criterion delivered tight-tolerance parts in half our expected timeline without compromising quality. Their responsiveness saved our program."

James Mitchell

"For inconel machining services in the aerospace sector, Criterion stands apart. Their ISO 13485 certification and precision CNC milling of complex geometries give us competitive edge in our market."

Robert Kellerman

"Their 5-axis CNC milling handled our impossible defense specs with zero rework. The in-house quality inspection using their CMM with PC-DMIS software guaranteed every part met exacting standards."

Colonel Marcus Webb

"Criterion's prototyping service proved invaluable. Production-intent prototypes delivered on the same machines as final parts, eliminating reprogram risk. Cost-effective partnership for our medical innovations."

Dr. Linda Vasquez

"Working with Criterion for seven years now. Their consistent quality, woman-owned expertise, and proactive communication make them irreplaceable. True mission-critical partners in precision machining."

Thomas Prescott

"Their Global Advantage CMM with TESTASTAR probe and OASIS optical inspection system caught micro-dimensional issues our team missed. The PC-DMIS documentation ensures FDA and ITAR compliance seamlessly."

Kevin O'Brien

"Criterion's CNC turning of specialty materials—titanium, PEEK, stainless steel—for photonics housings is unmatched. Third-generation leadership brings reliability, precision rooted in legacy, focused on our future."

Dr. Akira Yamamoto
The Criterion Difference

Why Choose Criterion Precision Machining?

Here's what sets Criterion apart as your Inconel machining partner for aerospace-grade components.

Extreme Tolerances

We consistently hold tolerances down to ±.0002" on Inconel, meeting the strictest aerospace dimensional requirements.

ISO Certified

ISO 9001 and ISO 13485 certified with ITAR and FDA registration—fully credentialed for aerospace and defense supply chains.

70+ Years Experience

Founded in 1953, Criterion brings decades of superalloy machining knowledge to every aerospace Inconel program.

Advanced Inspection

In-house CMM, OASIS optical inspection, and Keyence systems ensure every Inconel part ships fully verified and documented.

Meet the Criterion Team

The precision experts behind every mission-critical Inconel aerospace component.

Tanya DiSalvo, President of Criterion Precision Machining

Tanya DiSalvo

President

As the third-generation owner of Criterion Precision Machining, Tanya DiSalvo leads a company with over 70 years of precision machining heritage. Under her leadership, Criterion has grown into a nationally recognized, woman-owned precision machining partner for aerospace, defense, medical device, and photonics industries. Tanya has driven significant investment in advanced CNC technology, quality systems, and ITAR-compliant operations, positioning Criterion as a trusted source for Inconel and other superalloy machining challenges. Her commitment to the 'No Failure' standard permeates every level of the organization, ensuring aerospace customers receive components they can stake their programs on.

Mike Pinchot, Estimator and Project Manager at Criterion Precision Machining

Mike Pinchot

Estimator/Project Manager

Mike Pinchot serves as Estimator and Project Manager at Criterion Precision Machining, playing a pivotal role in translating aerospace customer requirements into precise, cost-effective Inconel machining solutions. With deep knowledge of superalloy machining processes, material costs, and production planning, Mike ensures that every aerospace project is accurately scoped, competitively priced, and executed on schedule. He acts as the primary liaison between customers and the shop floor, coordinating multi-axis CNC milling, turning, and inspection operations to keep complex Inconel programs moving seamlessly from quote to delivery.

Kelly Marflak, Quality Manager at Criterion Precision Machining

Kelly Marflak

Quality Manager

Kelly Marflak oversees Criterion's certified quality assurance program, ensuring every Inconel aerospace component meets or exceeds ISO 9001 and customer-specified standards. She manages a multi-layered inspection process that includes CMM measurement with PC-DMIS software, the OASIS optical inspection system, and Keyence dimensional measurement systems. Kelly's rigorous quality culture ensures that Certificates of Conformance and final inspection reports are delivered with every shipment—at no extra charge—giving aerospace customers the documentation confidence their programs demand.

David Glass, Chief Financial Officer at Criterion Precision Machining

David Glass

Chief Financial Officer

David Glass serves as Chief Financial Officer at Criterion Precision Machining, overseeing the financial operations and strategic investments that allow the company to maintain cutting-edge CNC equipment and quality systems for aerospace Inconel machining. His financial stewardship has supported Criterion's ongoing evolution from a general machine shop into a specialized precision machining partner for mission-critical industries. David's work ensures the company remains financially sound and positioned to invest in the technology upgrades aerospace customers require for complex superalloy programs.

Frequently Asked Questions

What is the best coating for cutting Inconel?

TiAlN (Titanium Aluminum Nitride) and AlTiN (Aluminum Titanium Nitride) coatings are widely considered the best choices for cutting Inconel. These coatings provide exceptional heat resistance and hardness at elevated temperatures—critical given Inconel's poor thermal conductivity—reducing tool wear and extending tool life significantly during high-speed machining operations.

What is the best CNC grinding wheel to use to machine Inconel?

What is the machinability of Inconel 718?

What tolerances can Criterion achieve on Inconel aerospace parts?

Which Inconel alloys does Criterion machine for aerospace applications?

Is Criterion ITAR registered for aerospace Inconel machining?

Does Criterion offer Inconel prototyping before full production runs?

What inspection documentation is provided with Inconel aerospace parts?

Still Have Questions About Inconel Machining?

Talk to our engineering team for a free technical consultation on your aerospace Inconel project.

Our Aerospace Service Areas

Criterion ships precision Inconel aerospace components to customers across the United States from our Brook Park, Ohio facility.

Nationwide U.S.

Service Area

Brook Park, Ohio

Headquarters

Since 1953

In Business

Do We Service Your Aerospace Program?

Contact us to discuss your Inconel machining needs—we ship precision components nationwide.

Certified & Trusted

Awards and Recognition

ISO 9001 certification badge

ISO 9001 Certified

Quality management system certified to global aerospace and industrial standards.

ISO 13485 certification badge

ISO 13485 Certified

Medical device quality management system certification demonstrating precision compliance.

WBENC Women's Business Enterprise certification badge

WBENC Member

Nationally recognized woman-owned business certification by WBENC.

Get a Quote for Your Inconel Aerospace Components

Share your part drawings, material specs, and tolerance requirements with our team. We'll respond with a detailed quote and engineering feedback—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