Hammer Mills

What is a Hammer Mill Crusher?

A hammer mill is a rock crusher that employs a rain of hammer blows to shatter and disintegrate a variety of materials. Hammer mills produce a finished product size that is dependent upon the following criteria:

  1. Openings in perforated screens or grate bars
  2. Number, size and type of hammers
  3. Grinding plate setting
  4. Rotor speed

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Industrial Hammer Mill Crusher Application Usage

  • Agricultural Industry: Common applications include crushing animal tankage, animal feed, grains, and agricultural limestone
  • Energy Industry: Reduce the size of materials such as coal, corn, bagasse, wood, corn stalks, biomass and biofuels, and more
  • Aggregate Industry: Common materials that hammer mills can finely crush include gypsum, shells, rock and more
  • Industrial Applications: Hammer mill crushers can reduce the size of gelatin, salt, meat and fish scraps, and more

Stedman Machine Hammer Mills

A&B Series Hammer Mills

"Up running" mills provide multiple size reduction stages for friable materials while "down running" mills are most suitable for fibrous materials.

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Full Circle Hammer Mill

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Features & Benefits

  • Large opening for flexibility
  • Fully lined crushing chamber for longevity 
  • Liners are bolted for easy change out
  • Grate bars and screens for accurate product sizing that are easily replaceable
  • Hammers or rings allowing flexibility
  • Forged alloy steel and extreme duty shaft allowing reduced vibration and longer bearing life
  • Positive lock housing for extra security from blow outs and dusting
  • Adjustable grinding plate for process control
  • Multiple rotor configurations to suit any material
  • Large discharge opening

Test Before You Buy!

Why Test?

Stedman's testing facilities provide real-world conditions to view your materials being processed. Test out a range of different size reduction methods, saving you both time and money when selecting the proper size reduction method.

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Industrial Hammer Mill FAQs

Up running Stedman hammermills provide mutiple size reduction stages for friable materials.

Down running Stedman hammermills are most suitable for fibrous materials due to the high concentration of shearing action within the unit.

Not sure which direction suits your material? Schedule your testing today!

Wood hammer mills, also called wood hogs are special heavy duty Stedman Hammermills specifically designed to process wood and fibrous waste without the use of high maintenance knives. Our machines have simple designs with rugged construction that make them easy to operate and maintain.

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Why Stedman?

Delivering equipment and service you deserve

For nearly two centuries, Stedman Machine Company has produced quality, reliable and durable size reduction and industrial crushing equipment. Stedman has expert field service and installation technicians ready to assist with all maintenance and equipment commissioning needs.

  • Unsurpassed industry experience – operating since 1834
  • State-of-the-art equipment testing facilities
  • Dedicated, professional staff
  • Parts and service available 24 hours a day


International Capabilities

International Size Reduction Equipment


Stedman Machine is an industrial hammer mill crusher manufacturer with the ability to provide customer service across the globe. Our experienced team will work with you to create the best hammer mill system to make your processes the most efficient. Call us for more information!

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