Find a Rep


Sample Grinder


Sturtevant Sample Grinders are constructed from heavy-duty cast iron.  A disc mill with “Open Door” construction, capable of very fine work, producing products as fine as 100 mesh (coarser if desired). Capacities available from 50 lbs. to 800 lbs. per hour. Spring loaded grinding discs assure uniform product sizes in applications such as chemicals, ceramics, minerals and glass.
Learn more about Sample Grinders by clicking on the links below. If you have any questions, please contact us.

Models & Specs
Model HP Feed Opening Product Size Capacity lbs./HR Weight (lbs) Length Width Height
0 2 1/4″ 20-100 mesh 50-200 150 29″ x 28″ x 13″
2 3 1/4″ 20-100 mesh 100-400 275 37″ x 33″ x 19″
3 5 1/4″ 20-100 mesh 200-800 450 38” x 36” 21”
Features & Benefits
  • Product fineness adjustable during operation
  • Uniform product size assured by spring-loaded grinding discs
  • Heavy-duty cast iron construction offers decades of dependable service
  • Various grinding disc materials available
  • Easy access to wear areas for inspection and maintenance
  • Chemicals
  • Minerals
What is a “Sample Grinder”?

Reduce dry, friable, fractional-size process material to uniform granular sizes.It’s a disc mill with one rotating and one stationary Grinding Disc.

What is a good application for a Sample Grinder

Fine grinding of small fractional, dry, friable materials

How is product size controlled?

Product fineness is adjusted manually by increasing or relieving pressure on the Grinding Discs with a handwheel.

Are various Grinding Disc materials available?

Cast Iron (as standard), Cast Ni-Hard and Alundum, which is an aluminum oxide based stone for abrasive materials, as options.

I have a Sturtevant Sample Grinder, how do I order parts?

Go to our Replacement Parts Page and fill out the form. Our Parts Manager will receive your request and respond as soon as possible.


Sturtevant is more than an equipment manufacturer, we stand behind every product we sell.

Not only do we strive to provide the best product for each and every application, but we also test, evaluate and maintain our products to assure our clients’ needs.

Sturtevant offers a variety of services to assist with the development, maintenance and testing of products.

  • Lab Sample Testing
  • Field Services
  • Reconditioning
  • Replacement Parts