Precision Grinding Services

For 70 years, we’ve been proud to say: Precision is our only product.

Reputation for Grinding Services Built on Quality

Duval Precision Grinding has spent seven decades building a reputation as one of the highest-quality precision grinding services in the USA. Our motto states: “Precision is our only product” and we take it seriously. Customers always know the status of their parts and that the parts will meet their specifications.


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The Art of Precision Grinding

Engineers and product managers understand that precision grinding is an art—an art that Duval has mastered. Founded in 1946, Duval Precision Grinding has built a prestigious roster of client companies the old-fashioned way: through exceptional reliability and repeated, accurate results. Significant modernization and a major expansion have allowed Duval Precision Grinding to expand its client base, combining modern communication and efficiency with decades of experience in traditional grinding techniques. Duval Precision Grinding will grind your parts with a high level of craftsmanship and expertise, in a clearly communicated amount of time, and within your demanding tolerances.

Exceeding Expectations in All Grinding Disciplines

Whether the job is internal diameter grinding, outside diameter grinding, surface grinding, jig grinding, planetary grinding, or CNC grinding, highly skilled machinists will turn out perfect results on one product or batches of hundreds. Capable of work in ferrous metals, stainless steel, non-ferrous metals and materials, or on any kind of coating or plating, Duval Precision Grinding will meet your engineering specifications and deliver the precise results you require. Duval’s extraordinary range of equipment and more than 300 collective years providing expert precision grinding services results in consistent delivery of tight tolerances on all operations, no matter how complex the job may be.

In addition, Duval Precision Grinding can simplify development and production processes by managing related steps for parts including coatings, plating, spraying, and NDT. This is one of the reasons Duval Precision Grinding is able to provide installation-ready, flight-critical components for clients. Duval Precision Grinding can offer the same for your industry, and with an AS9100D and ISO 9001:2015 certified Quality Management System we can stand behind that promise.

Our Commitment to Customer Relationships

At Duval Precision Grinding, a top priority is making sure customers know the status of a job and can trust that the finished product will meet their specifications. Duval Precision Grinding is committed to keeping clients informed on the status of parts and striving to provide open and transparent communication from the day a part arrives to the moment it reaches its final destination. Duval Precision Grinding knows the relationship with the client must extend beyond a single job. This ensures a superior outcome and consistent performance over many years.

While most Duval Precision Grinding clients are in New York, Connecticut, Rhode Island, Massachusetts, Maine, New Hampshire, and Vermont, Duval also provides grinding services to clients throughout the Northeast and across the USA. If your firm requires expert grinding, accurate results, and fast turnaround, contact Duval Precision Grinding.

  • Does your firm have challenging grinding work and precision standards that other grinders can’t consistently meet?
  • Is you current grinding service company unable to scale up and meet demand?
  • Is your firm at risk of missing deadlines due to the limited number of machines and the capacity of your existing grinding service vendor?
  • Do you have a new product and need efficiency, exacting precision standards, known turnaround times, and accurate price quotes?

Duval Precision Grinding is nationally recognized for a wide range of precision grinding services, an exceptionally experienced staff, on-time turnaround, and services provided at competitive rates.

Do you need fast and accurate precision grinding services?

How to Choose A Precision Grinding Vendor


Cover of Duval Precision Grinding e-book titled How to Choose A Precision Grinding Vendor

cnc grinding control system

Control system for a CNC grinding machine.

cnc grinding services for nuclear power

CNC grinding services being performed on a nuclear reactor component.

nuclear component grinding services

A nuclear reactor component at Duval, ready for grinding services.

dial indicator for part inspection after grinding services

A dial test indicator being used to inspect parts after grinding services.