A Letter From Our President. During the current situation with the COVID-19 virus, Precision Roll Grinders remains open for business to meet all of our customers’ roll servicing needs. The health and safety of our employees, as well as our customers and partners, is of primary concern. We are monitoring the COVID-19 situation very closely, taking appropriate health measures, and are confident we can abide by locally imposed policies while continuing to seamlessly support and provide value to our customers’ business operations. If you have any questions about PRG’s accessibility or operations please do not hesitate to contact us.


rolls and shafts come in all weights, sizes and compositions. and, trust us, we've serviced them all.

Our more than 50 years of unmatched expertise and advanced capabilities allow us to properly resolve any and all roll issues across a wide range of industries (see our "Industries" section for a full breakout). Other roll grinders and service provides may tell you, "That's something we can't do." But we never will.


roll types

Our team can service and grind rolls produced from the wide variety of materials listed below. For details on all our specific roll services, please see the "Services" section of our website.

  • Brass
  • Carbide Coated
  • Ceramic
  • Chilled Cast Iron
  • Chrome
  • Composite
  • Copper
  • Engraved
  • Forged Steel
  • Granite
  • Polyurethane
  • Rubber
  • Stainless Steel
  • Steel

our physical capabilities at a glance

grinding capacity
Diameter 2" to 168" 50 mm to 3,600 mm
Length up to 600" up to 15,240 mm
Weight up to 240,000 lbs up to 109,091 kg
cnc lathe capacity
Diameter 66" over carriage
78.7" over ways
1,680 mm over carriage
2,000 mm over ways
Length up to 840" up to 21,336 mm
Weight up to 200,000 lbs up to 90,910 kg

Only prg can grind your rolls to the tightest tolerances.

  • Total indicated runout of face with respect to journals ±20 millionths of an inch.
  • Surface finished as fine as ¼ micro inch Ra.
  • Shapes achieved to tolerances of ±20 millionths of an inch, including ...
    • Crowns
    • Finished to ¼ micro inch Ra
    • Special profiles
    • Straight cylinders
    • Tapers

all we do is rolls — which is what makes ours the best

We're not some general machine shop that just services rolls every now and then. We specialize in roll service. Rolls are all we work on. Which has allowed us to focus, shape and finetune our exacting capabilities over the past 50+ years.

it all results in longer roll life for your rolls

Because we're capable of achieving greater roll concentricity, finer roll surface finished and tighter tolerances, you can expect your rolls to last much longer than those you receive from other service providers. Which, of course, results in improved productivity and profitability for your operation.

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