124 Warren Street
Sandusky, Ohio 44870

Mack Iron's surface grinding offers customers an economical method of achieving parallel surfaces on die or mold plates, shim plates, or any other part where flatness or parallelism is required. Whether it is your existing part or parts fabricated for you by Mack Iron, we can grind all types of carbon steel and most alloys to standard tolerances of ±.005 and a 63 microfinish.