Hard Milling Solutions, Inc.
hard-milling-solutions107 Peyerk Court
Romeo, MI 48065
Phone (586) 336-9737

Call Us Now at: (586) 336-9737 
for your Hard Milling Needs

Quote Request Form

IMG00072-20100522-0903-2About Us

Hard Milling Solutions was started in August of 2004. Our goal was and is to bring Hardmilling into every shop in North America.

We believe our process will save you money over your current process stream. As a service shop we become an extension of your company. We add capacity when you don't have enough and don't stay on the books when you slow back down.

We also give shops that don't have the means or the desire to get into Hardmilling themselves an avenue to outsource and get a quality product, fast, and at a fair price.

We also specialize in all other 3D milling. We cut anything from Aluminum to 65 Rockwell CPM-M4.

Old-fashioned Service
with Today's Technology

We are the type of company that will go the extra mile to please our customer, because we want long term relationships, not just a purchase order.

Corey Greenwald, owner Hard Milling Solutions

On-time Delivery

When I tell you when it will be completed, it will be finished on or before that date, 100% of the time.

Corey Greenwald, owner Hard Milling Solutions


We machine:

  • Plastic injection molds
  • Die casting dies
  • Stamping dies
  • Powdered metal punches
  • Forging dies  
  • Precision parts


  • Transportation
  • Healthcare
  • Recreation
  • Packaging
  • Manufacturing and Automation

Hard MIlling Advantages

  • Reduce or even eliminate EDM
  • Reduce the number of machining operations
  • Reduce or even eliminate secondary operations, especially when starting with hard material
  • Eliminate recast layer (white layer) from EDM
  • Improved surface finish to 10-12 rms
  • Reduce polishing/finishing
  • Reduce production time
  • Reduce lead time and delivery
  • Improve accuracy


  • P-20
  • H-13
  • A-2
  • D-2
  • M-2
  • O-1
  • 4140
  • 1018
  • CPM 3V, M4, 9V, and 10V
  • aluminum
  • brass
  • bronze
  • copper

We machine virtually all materials to a hardness of 65 HRc


Join the Hard Milling Solutions Team

We are always looking for quality CNC ProgrammersCNC Setup, and Quality Leaders!

The Hard Milling Imperative

Corey Greenwald "gets it." He understands that hard milling is becoming an essential capability for shops producing plastic injection molds. He understands how to perform hard milling operations effectively...

Modern Machine Shop, April 2006

High Performance Hard MIlling

Talk about doing things the hard way. Corey Greenwald is an engineer by training. In the past, he worked for a typical mold and die shop as a designer... 

Competitive Mold Maker, 2006