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Precision Machining Solutions for Complex, Close-Tolerance Applications

For over 70 years, Lonero Engineering has offered the skill and precision to machine difficult parts for complex applications.

Lonero Engineering is your single-source specialized machine shop, providing the skills and precision to develop and manufacture complex parts. We offer precision machining services with the capability to design and engineer products from scratch.


Metal Machine Tools Industry. Cnc Turning Machine High-speed Cutting Is


Lonero Engineering offers versatile turning solutions specializing in complex, close-tolerance custom turning applications using mill-turning, live tooling, and swiss turning capabilities to achieve the utmost in precision craftsmanship.



Our advanced milling department enables Lonero Engineering to deliver efficient custom machining solutions for a diverse range of difficult-to-manufacture applications.

Metalworking Industry: Finishing Metal Working Internal Steel Surface On Lathe


Our grinding department is capable of performing precision ID, OD, Jig, centerless DedTru, and surface grinding operations for complex geometries requiring the tightest of tolerances.

laser etching

Laser Etching

With our advanced laser etching equipment, Lonero Engineering can custom engrave your parts and tooling with unique serial numbers, barcodes, graphics, logos, and branding.



Every custom-machined part we produce is meticulously inspected for dimensional accuracy that meets or exceeds your close-tolerance requirements.

Deep Rolling

Deep Rolling

For over 30 years, Lonero Engineering has remained the industry leader in the development of crankshaft deep fillet rolling tooling applications.

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Precision-Machined Quality and Consistency

Lonero Engineering is an ISO 9001:2015 certified company that specializes in close-tolerance machining operations.

Here is a small selection of the dimensionally complex products we are capable of engineering and producing:

Contact Us

Please contact us directly via phone or e-mail: 

2050 Stephenson Highway, Troy, MI 48083

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