CNC Turning
High-precision CNC turning for cylindrical and complex-geometry components with tight tolerances, smooth finishes, live tooling, and production support for medical, aerospace, defense, and photonics applications.
Get high-precision CNC turning for custom axis parts built for medical device, aerospace, defense, and photonics applications where failure is not an option. Criterion Precision Machining delivers tight tolerances down to ±0.0002", live-tooling capability, complex geometry support, in-house inspection, and full traceability for prototype, low-to-mid volume, and ongoing production programs.

Precision CNC turning, Swiss machining, inspection, marking, and finishing for mission-critical custom axis parts.
High-precision CNC turning for cylindrical and complex-geometry components with tight tolerances, smooth finishes, live tooling, and production support for medical, aerospace, defense, and photonics applications.
Multi-axis Swiss turning for small-diameter, high-repeatability components, including surgical pins, orthopedic fasteners, optical parts, and intricate features requiring exceptional stability and precision.
Production-intent CNC prototyping using the same machining cells, inspection systems, and compliance standards as final production to simplify qualification and scale-up.
Integrated metrology with CMM, OASIS optical inspection, Keyence systems, FAIRs, Certificates of Conformance, and material traceability for regulated, tight-tolerance parts.
In-house fiber laser marking for serialization, lot numbers, 2D matrix codes, UDI marks, logos, and traceability on turned metal and selected plastic components.
Deburring, edge radiusing, vibratory finishing, high-energy tumbling, light assembly, and final dimensional checks help complete precision turned parts under one quality system.

Send your prints, 3D models, material specifications, tolerance requirements, and target quantities. Criterion’s estimating and project management team reviews manufacturability, compliance needs, inspection scope, and production intent before recommending the right turning approach.
Criterion Precision Machining combines advanced CNC capability with certified quality systems.
Machining focused on medical, aerospace, defense, and photonics parts where failure is not acceptable.
ISO 13485, ISO 9001, FDA, and ITAR credentials support regulated customer requirements.
CNC turning, Swiss turning, finishing, marking, and inspection stay under one accountable roof.
Tolerances down to ±0.0002" are verified with CMM, optical, and image-dimension systems.
Experienced leadership supporting mission-critical precision manufacturing programs.

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.
Criterion Precision Machining supports micro- to medium-sized CNC-turned components, including cylindrical parts, complex geometries, implantable device components, surgical instruments, diagnostic equipment parts, aerospace components, defense-system parts, lens housings, lens mounts, and optical-system components. Multi-axis turning with live tooling allows many features to be completed in one setup, reducing tolerance stack-up and improving repeatability.
Send your drawings and requirements for a practical review.
Medical device quality management certification.
Certified quality systems for precision production.
Recognized woman-owned business enterprise membership.
Share your drawings, material requirements, tolerances, and production goals. Our team will review your CNC turning needs and respond with a practical path forward.
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.