Optima Precision

AS9100D, 5-axis CNC

Machine Shop.

CNC production and prototype.

San Jose, CA


AS9100D ISO9001:2015

certified Machine Shop. CNC production & prototype.
5-axis Machining.

San Jose, CA



AS9100S and ISO 9001:2015 Certified. We maintain the highest aerospace quality management standards.

Production and Prototype

Production and Prototype

From a single piece to high volume manufacturing. Startups and blue-chip companies. We can help.

Quick Turn-Around

Quick Turn-Around

We deliver quality products with minimal lead times at competitive pricing.

About Us

Optima Precision is an AS9100D and ISO 9001:2015 certified CNC machine shop in the heart of Silicon Valley. Drawing on over 20 years of experience, we specialize in prototype and production for the semiconductor, biotech and aerospace industries. We offer high-quality CNC milling, CNC turning and 5 axis machining as well as welding, sheet metal fabrication and EDM (Electronic Discharge Machining). We assist our customers with getting a finished product that includes assembly and a complete array of surface finishing including electropolishing, anodizing and other types of plating and coating services. Our state of the art inspection includes a German made Zeiss CMM to assure our customers of the highest quality product.

Quality The Zeiss Eclipse Coordinate Measuring Machine (CMM) is what ensures our accuracy. This state of the art equipment reduces our inspection time and reduces the cost of your products. This programmable CNC CMM features a VAST-XXT scanning probe that records thousands of points along its path to increase dimensional and form accuracy. Accuracy 0.0000276″, Repeatability 0.000078″. A CMM machine is an essential tool in a modern machine shop inspection department.

5-axis machining
The Mazak Variaxis J500/5X

Get a Quote

What you need:
Optima Precision Uses solid models in our CAM software to generate programs.

Solid Model

Please provide a Solid Model. This could be Solid Works file, step, Parasolid or another type.

pdf blue print used for quotation and during machining and inspection process


If a print is available, please send it.

Quantity of CNCed parts


Please specify the quantity of the parts required.

Email the RFQ



Please let us know when you would like to have the parts.

Has material been specified?

Contact us

Images, PDFs, CAD files not yet supported. We are working on allowing those as well.

1751 Fortune Dr. Unit B

San Jose, CA 95131

(408) 641-0617


  • These guys are a great and capable facility with good, quality parts and quick turn around time.Trustworthy company!

    Pedro C. Avatar
    Pedro C.

    Always the highest quality parts from Optima. Honest quotes with transparent lead times. They stand behind their work and are... read more

    Casey B. Avatar
    Casey B.

    Optima precision was extremely helpful in producing some prototype parts that I needed, in under a week I had a... read more

    Henry L. Avatar
    Henry L.
  • Great communication, fast turn around, competitive prices, and best of all, high quality parts machined to spec.

    I sent Jan...
    read more

    Ryan K. Avatar
    Ryan K.

    Optima Precision produced quality prototype parts with a great tolerances and surface finish on a short lead time. Couldn't ask... read more

    Blake C. Avatar
    Blake C.

    Outstanding Customer Service! Spot-on machine work via Multiple Parts or One-Off designs concepts. A great shop centered locally... read more

    Tristan S. Avatar
    Tristan S.

1751 Fortune Dr. Unit B

San Jose, Ca 95131

(408) 641-0617


Contact us

Images, PDFs, CAD files not yet supported. We are working on allowing those as well.

Stunning Quality
State of the art Equipment

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San Jose State University Formula SAE Spartan Racing sponsor 2016, 2018, 2019
UC Davis Formula Racing (electric) sponsor 2019
Optima Precision has been sponsoring California Universities in their racing programs. Students design and build the cars. We provide assistance in machining some of the parts and offer DFM assistance to the new generation of mechanical engineers. We are current sponsors of San Jose State University Formula SAE Spartan Racing Team as well as UC Davis Formula Racing (electric).

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