Custom Precision Parts

custom precision parts

Custom manufacturing Capabilities

Get fast turnaround on quotes for custom mechanical components, including prototyping and production parts. WM Berg is US-based, allowing us to respond to requests for nonstandard and special parts quickly. Our world-class manufacturing facility includes a CNC/DNC machine shop, R&D lab and stringent quality assurance. From simple designs and modifications to built-to-order parts and assemblies, all custom precision parts will meet or exceed your exact specifications.

Request a Custom Part


Customization by product

custom gearing

Custom Gears

custom couplings

Custom Couplings

custom shafting

Custom Shafting

custom sprockets and pulleys

Custom Sprockets & Pulleys

custom bearings

Custom Bearings

custom lead screw assembly

Custom Lead Screw Assemblies

custom gearbox

Custom Gearboxes

WM Berg engineers designing custom precision machined parts

Engineering Support 

Local support at your fingertips 

Our engineering staff is well versed in the challenges of product engineering. They know what questions to ask and how to provide the answers engineers and designers need to identify the best possible design solution at the lowest possible cost. 

  • 3D modeling capabilities 
  • Engineering lab
  • Product development process
  • Computer aided engineering & design

Contact an Expert

custom precision components in the inspection and testing phase


Rigorous inspections following Acceptable Quality Level Action

  • Non-destructive testing
  • Full contact CMM inspection
  • Fluid flow analysis
  • Video measuring machine 
  • Double flank gear testing
quality assurance of custom precision parts using CMM


Quality you require, for systems that perform

We manufacture components to tight tolerances and rigorous customer expectations. Our products work with yours to ensure the entire system does what it's supposed to do. The result is optimum performance with longer life cycles. 

  • ISO 9001:2015 certified
  • ITAR registered
  • RoHS, Reach & DFARS compliant
  • Traceability

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custom precision part design and prototyping


Preliminary prototypes for the most complex projects

Each custom-designed prototype we build is subjected to the same rigorous testing and inspection that our standard products receive. We can customize our manufacturing process to scale up from a prototype into full production of a custom-designed part. 

  • Rapid prototyping
  • Model development
  • Prototype manufacturing cell
  • Scanning
custom precision parts manufacturing in USA


150,000 square foot facility in Cudahy, WI

Our manufacturing department has the latest in CNC turning and milling equipment to manufacture all of your special component needs. 

  • Computer aided manufacturing 
  • Surface treatments
  • Clean room
  • Assembly
  • Computerized milling & turning

Explore Our Capabilities

Custom Design of Precision Mechanical Parts

Whether you need to alter the size, material or configuration of a product, our engineering staff can provide an innovative, cost-saving solution. Select a standard part to customize or contact us for a completely custom design.