430 Stainless Steel Precision Machined Parts

Get precision machined 430 stainless steel parts built for demanding medical device, aerospace, defense, and photonics applications. Criterion Precision Machining combines CNC milling, CNC turning, Swiss turning, Wire EDM, in-house finishing, and certified inspection to deliver tight-tolerance components with traceability, repeatability, and the documentation regulated programs require.

430 stainless steel precision machined parts

Our 430 Stainless Steel Precision Machined Parts Services

Complete machining, finishing, marking, and inspection support for tight-tolerance 430 stainless steel components.

CNC Milling

Advanced 3-, 4-, and 5-axis milling produces complex 430 stainless geometries, tight pockets, fine features, and close-tolerance parts for medical, aerospace, defense, and photonics programs.

CNC Turning

Multi-axis CNC turning with live tooling supports cylindrical and complex 430 stainless components while reducing tolerance stack-up, secondary setups, and cycle time on production-ready parts.

Swiss Turning

Swiss screw machining delivers small-diameter, high-repeatability 430 stainless parts with fine micro-features, deep cuts, and tight dimensional requirements for demanding no-failure applications.

Wire EDM

Wire EDM creates burr-free profiles, narrow slots, sharp internal corners, and intricate contours in stainless components where conventional cutting tools may deflect or create unwanted stress.

Laser Marking

In-house fiber laser marking adds permanent serial numbers, lot codes, 2D matrix codes, logos, and identification marks while preserving traceability on regulated stainless components.

Quality Inspection

Certified inspection verifies machined parts through material checks, FAIRs, in-process inspection, final inspection, CMM measurement, optical systems, and traceability documentation.

Precision inspection of stainless steel machined parts

Our Precision Machining Process

Engineering Review and Process Planning

The team reviews drawings, tolerances, material specifications, production volume, compliance needs, and inspection requirements to determine whether CNC milling, CNC turning, Swiss turning, Wire EDM, finishing, or laser marking is the best manufacturing path.

Precision Machining and Feature Control

Integrated Finishing and Secondary Operations

Certified Inspection and Documentation

Traceable Delivery and Production Support

The Criterion Difference

Why Choose Criterion Precision Machining?

Choose a precision machining partner built for demanding, regulated, and mission-critical component programs.

No-Failure Focus

Built for medical, aerospace, defense, and photonics parts where repeatable performance is essential.

Tight Tolerances

Machining capabilities support tolerances down to ±0.0002 inches on qualified part features.

Certified Quality

ISO 13485 and ISO 9001 systems support traceable, documented, and repeatable production.

Integrated Capability

Milling, turning, Swiss machining, EDM, marking, finishing, and inspection stay under one roof.

Meet The Criterion Team

Experienced leadership for mission-critical precision manufacturing.

Professional headshot of Tanya DiSalvo, President

Tanya DiSalvo

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.

Professional headshot of Kelly Marflak, Quality Manager

Kelly Marflak

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.

Professional headshot of Mike Pinchot, Estimator/Project Manager

Mike Pinchot

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.

Professional headshot of David Glass, Chief Financial Officer

David Glass

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.

Kellyanne Gottschalk, Internal Systems Manager at Criterion Precision Machining

Kellyanne Gottschalk

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.

Nilda Feliciano, Customer Service representative at Criterion Precision Machining

Nilda Feliciano

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.

Bonnie Paletta, Office Administrator at Criterion Precision Machining

Bonnie Paletta

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.

Frequently Asked Questions

Can 430 stainless steel be precision machined?

Criterion Precision Machining supports 430 stainless steel components through CNC milling, CNC turning, Swiss turning, Wire EDM, laser marking, mass finishing, and certified inspection. The best process depends on the part geometry, tolerance stack-up, feature size, and production volume. Programs can include in-house secondary operations and documentation to reduce supplier handoffs.

What tolerances can you hold on 430 stainless steel parts?

What applications are 430 stainless precision parts used for?

Do you offer prototyping for 430 stainless steel parts?

What documentation is available with machined 430 stainless parts?

Can finishing and laser marking be completed in-house?

Which industries do you support with 430 stainless machining?

How are lead times determined for 430 stainless parts?

Need Help With a Part?

Send your print and requirements for a technical review.

Certified & Trusted

Awards and Recognition

ISO 13485 certification logo

ISO 13485

Medical device quality management standard.

ISO 9001 certification logo

ISO 9001

Certified quality management system.

WBENC certification logo

WBENC

Certified woman-owned business recognition.

Request a 430 Stainless Machining Review

Share your drawings, material requirements, tolerances, volumes, and documentation needs, and our team will review the program for manufacturability, inspection planning, and production fit.

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.