Specializing in Complex Close Tolerance Machined Components

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CoreDux USA, LLC., formerly known as Pyramid Precision Machine, LLC. specializes in low and high volume close-tolerance complex precision machining and manufacturing. We utilize the latest technology including 4 and 5 axis machining and are able to quickly produce extremely high quality components at a lower cost. We consistently maintain quality, on time delivery, and provide a total value solution to our customers. We are an industry leader and for over 35 years have been the premier choice for close-tolerance precision machining.

• Established 1988 in San Diego
• Moved to current location in 1998
• 35+ years in business
• 130+ employees, 3 shifts, 5 days/week
• AS 9100 REV D & ISO 9001:2015 Certified

Learn more about CoreDux USA


We mainly focus on complex parts

• 5-axis, 4-axis, and 3-axis machining

• Automation using pallet pool systems

• Lights out operation

• High-mix, low-volume compatible


Our close tolerance capabilities

• Tight positional tolerancing within .08mm / .003”

• Turn diameters within .05mm / .002”

• Milling bores within .01mm / .0004”


Our services and rapid manufacturing

• Prototyping and rapid manufacturing services for development  and test of new designs quickly

• Capabilities to produce prototypes and small-batch runs with short turnaround times


Our highly experienced team

• We have highly skilled machinists and engineers with 10 to 20+ years of experience

• Rigorous quality control measures at every stage of production including inspection tools like coordinate measuring machines (CMMs) to ensure that parts meet tight tolerances and specifications.


Our customer-centric approach

• We work closely with clients to understand their specific needs, offer design and engineering support, and ensure timely project completion.

• We change control management through ERP system including coordination in purchasing, inventory, engineering, and manufacturing.