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Quality CNC Machining Services and Contract Manufacturing Solutions

Lonero provides complete in-house machining solutions with the capability to design and engineer your products from scratch. We specialize in difficult-to-manufacture applications by engineering innovative CNC machining processes that are optimized for your unique industry and application.

Complying with all ISO 9001:2015 quality control standards, Lonero Engineering offers unparalleled craftsmanship 
and precision to your custom machining projects. Our close-tolerance milling, turning, and grinding capabilities accommodate some of the world’s most challenging production applications.


For more than 40 years, Lonero Engineering has remained the industry leader in the development of crankshaft fillet rolling tools for the automotive manufacturing sector, as well as for agricultural and heavy truck industries.

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Versatile CNC turning solutions accommodating tight tolerances of Ø24”.

  • CNC Turning and Mill Turning
    • Max Ø25” x 48” Length
  • CNC 5-Axis Mill Turning
    • Max Ø10” x 36” Length
  • CNC Hard Turning
    • Max Ø25” x 48” Length
  • Swiss Turning / Machining
    • Max Ø20mm
  • Manual Lathe Turning

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3-axis vertical and horizontal milling services offering superior speed, accuracy and efficiency.

  • 3-Axis Vertical Milling
    • Max 20” x 30”
  • 3-Axis Horizontal Milling
    • Max 25” x 50”
  • Manual Milling Capabilities

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Full-service custom grinding department capable of accommodating complex, close-tolerance part geometries.

  • CNC and Manual O.D. / I.D. Grinding
    • Max 12” O.D. x 42”
  • CNC and Manual Surface Grinding
    • Max 16” x 32”
  • CNC Centerless DedTru Grinding
  • Jig Grinding
  • Honing, Polishing, and Media Tumbling

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Design and Engineering

We provide innovative engineering and design solutions for your project.

  • SolidWorks
  • CAMWorks
  • AutoCAD

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If you’re seeking quality CNC Machining Services and Contract Manufacturing Services
from a proven, ISO-Certified provider, call Lonero today at 248-689-9120.