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.
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.

Comprehensive precision machining capabilities engineered for Inconel superalloys in demanding aerospace applications.
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.
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 for small-diameter, tight-tolerance Inconel aerospace components. Ideal for slender, high-precision parts requiring exceptional surface integrity in multi-axis operations.
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.
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.
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.
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.

Here's what sets Criterion apart as your Inconel machining partner for aerospace-grade components.
We consistently hold tolerances down to ±.0002" on Inconel, meeting the strictest aerospace dimensional requirements.
ISO 9001 and ISO 13485 certified with ITAR and FDA registration—fully credentialed for aerospace and defense supply chains.
Founded in 1953, Criterion brings decades of superalloy machining knowledge to every aerospace Inconel program.
In-house CMM, OASIS optical inspection, and Keyence systems ensure every Inconel part ships fully verified and documented.
The precision experts behind every mission-critical Inconel aerospace component.

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.

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.

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.

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.

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.

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.

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.
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.
Talk to our engineering team for a free technical consultation on your aerospace Inconel project.
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
Contact us to discuss your Inconel machining needs—we ship precision components nationwide.
Quality management system certified to global aerospace and industrial standards.
Medical device quality management system certification demonstrating precision compliance.
Nationally recognized woman-owned business certification by WBENC.
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.
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.
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.