NMI Prototype Machining

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NMI Prototype Machining CNC Prototype Fittings, Test Parts And Accessories Made To Order for Aerospace Testing, Automotive Testing and Thermocouple Manufacturers.

Happy New Year from all of us at NMI Prototype Machining! Thank you to our customers for your continued partnership, and...
01/03/2026

Happy New Year from all of us at NMI Prototype Machining!

Thank you to our customers for your continued partnership, and to our team for the craftsmanship and hustle behind every job. 🙌

We’re heading into 2026 with strong momentum, exciting growth, and some big upgrades on the horizon to serve you even better.

Stay tuned — 2026 is going to be a great one! ✨

10/24/2023
Classic car k**b made from aerospace grade aluminum. This item will get powder coating and have a small LED light inside...
05/26/2023

Classic car k**b made from aerospace grade aluminum. This item will get powder coating and have a small LED light inside the through hole. Thank you to our customer for letting us produce such a cool item.

Custom 8mm barbed tube with 1/8 NPT port, for temperature sensing compression fitting. Used for testing cooling systems ...
01/27/2023

Custom 8mm barbed tube with 1/8 NPT port, for temperature sensing compression fitting. Used for testing cooling systems on new electric vehicles.
3000 units produced in sizes ranging from 5mm to 20mm.

Part collage of our most recent projects. New compression fittings, weld b**gs, hose adaptors, AN fittings and exhaust p...
11/15/2022

Part collage of our most recent projects. New compression fittings, weld b**gs, hose adaptors, AN fittings and exhaust probes. Made from all different materials including stainless steel, aluminum, brass, Inconel, and plastic. Sizes ranging from 1/8 diameter up to 3.0 inch diameter.

Our customer was asking for a 1/8NPT custom carbon steel weld b**g. We machined 1,500 of these. Saving this customer fro...
11/09/2022

Our customer was asking for a 1/8NPT custom carbon steel weld b**g. We machined 1,500 of these. Saving this customer from resizing their entire application.

Address

1441 Lexamar Drive
Boyne City, MI
49712

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 3pm

Telephone

(231) 622-5059

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