Welcome to Prototool LLC
Whether you need precision mold work or mechanical parts, Prototool has got you covered.
About Us
Prototool is a family-owned-and-operated machine shop located in Armstrong, WI.
Whatever your machining requirements are, you can count on Prototool to deliver quality parts at an affordable price.
We specialize in reverse engineering, prototyping, rapid repairs, and small batch production.
Services
Here at Prototool we provide services such as turning, milling, wire and sinker EDM burning, prototyping, precision mold work, part repairs, and just about anything in between.
And, thanks to our trusted partners, we also provide additional service options such as coatings, heat treat, welding, and fabrication.
