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We machine custom parts from a variety of traditional and exotic materials for customers in various industries.


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From quick turn, single prototype jobs to high volume production our 21,000+ square foot facility is up to the task.


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Quality Control

Our quality assurance staff uses state-of-the-art computer and conventional measuring equipment to ensure all of your parts are fabricated exactly to specification.


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About Us

West Valley Precision Inc., a custom machine shop in the south bay, has supplied precision parts and assemblies to clients in diverse industries since 1987. Our 21,000+ square foot facility allows us to handle prototype and production work for companies ranging in size from Fortune 500 to small businesses. West Valley Precision has the expertise to machine diverse materials and we routinely work with extremely tight tolerances for parts such as medical instruments, which require a true position of .0005". Prototype to production, manual to CNC, West Valley Precision is the only name you need to know in Bay Area machining: 5 axis machining, CNC machine shop, CNC precision machining. Located in San Jose, California.


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Some comments from our clients

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Latest News

The latest from our blog

We did it again!

Two NEW 5-axis machines

Tuesday, December 3rd, 2013


Hello Sharps!

Goodbye Bridgeport Mills, Hello Sharps!

Tuesday, December 3rd, 2013


Out with the old, in with the new

New machinery coming soon!

Tuesday, March 26th, 2013



New Year, New Machinery

Thursday, January 10th, 2013


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