Precision Grinding

We’re the Professionals in Precision Grinding

Machine/Grind Shop

RA Heller has a fully equipped Machine Shop, including some of the larger precision grinding equipment in the Southwestern Ohio, Southern Indiana, and Northern Kentucky area. We are fully qualified to satisfy your most stringent machining requirements, at a competitive price, with timely delivery.

Our Grind Shop offers large ID (Internal Grinding) and OD grinding capacity specializing in rolls up to 30” OD x 10 ft. in length with the ability to grind a variety of hard coatings. Welding and metalizing capabilities are available upon request.

Our excellent machinery is operated by our veteran machinists, who have extensive knowledge and expertise in machining and industrial repair work. Our years of experience give us the edge on building the right product for you.  In addition, we have excellent vendor support which will supply any specialized tooling for complete custom jobs.

Machine/Grind Shop – OD Grinding, ID (Internal Grinding), Blanchard Grinding, Surface Grinding & Centerless Grinding.

Capabilities in our shop:

  • 5 OD Grinders (Same as Cylindrical Grinding) with up to 33”OD x 125” long
  • 3 ID Grinders (Same as Internal Grinding) with up to 49” swing x 50” long
  • Springfield Vertical ID & OD Grinder with a 42″ Table & 50″ swing
  • Blanchard Grinding up to 36” Diameter  x 12” high
  • Centerless Grinding up 3” diameter
  • Surface Grinding 14″ x 60″

Machine/Grind Shop – Lathe Work, Mill Work, & Welding Capabilities in our shop:

  • Engine lathes up to 30” Diameter x 160” long
  • Horizontal Boring Mills up to 72” x 72” x 72”
  • Press work up to 100 ton
  • Welding:  Tig, Mig, & Stick

Our precision grinding has been enhanced over the years by using Arnold gauges. Visit our friends at

Put our capabilities in precision grinding and welding to work for your
industry by contacting us today at (513)-771-6100 in Cincinnati, Ohio.