Jonesville Tool & Manufacturing offers CNC diversified turning for precision-machined parts with very tight tolerances. We are focused on providing quality products, from prototypes through production. As a leading CNC turning service provider, JTM offers a range of choices to our clients.

  • 01 mm for flatness
  • 02 mm for true position
  • 04 mm for circularity
  • 02 mm for diameter
  • Aluminum
  • Alloy steel
  • Billet low carbon steel
  • Cast iron
  • Ductile iron
  • Forgings
  • Plastic

An experienced staff and high-tech machines allow us to create complex machined parts quickly and competitively. We can accommodate many custom CNC turning jobs, including microfinishes, true positions and concentricity callouts. Our CNC turning capabilities provide maximum reliability of supply, eliminating production downtime.

Not Your Average Contract Manufacturer!

On-time delivery reports just came out and you guys are at 100% shipping to all plants. I want to thank you for this. Keep up the good work and let me know if there is anything I can do to help you guys out.


At JTM, we know that our reputation is based on the quality of our parts and our ability to meet delivery dates. That’s why we offer our clients peace of mind in the form of on-time, defect-free parts, every time.


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Jonesville Tool & Manufacturing – Your Contract Manufacturer for Life 517-849-2923