Contact NAMA

North American
Millers’ Association


600 Maryland Ave SW,
Suite 825 West
Washington, DC 20024

TEL: 202.484.2200
FAX: 202.488.7416

EMAIL: generalinfo@namamillers.org

Industry Partners

Oat Products

Oat millers manufacture the following oat products:   

Whole Oat Groats 
Steel Cut Oat Groats 
Whole Oat Flour 
Low Bran Oat Flour 
Fine Oat Bran 
Medium Oat Bran 
Coarse Oat Bran 
Rolled Oats #6 
Regular Rolled Oats #5 
Medium Rolled Oats #4 
Thick Rolled Oats #3 
Thick Quick Rolled Oats 
Thin Quick Rolled Oats 
Quick Rolled Oats 
Baby Rolled Oats 
Instant Rolled Oats 
Rolled Oat Blend 
Customized Products

Whole oat groats are oats that have had the hulls removed and have been heat treated to inactivate enzymes which cause rancidity. 

Steel cut oat groats are whole oat groats that have each been cut into two or four pieces.   

Whole oat flour can be produced in several granulations, but all are produced by grinding whole oat products through hammermills or rollstands. 

Low bran oat flour is the flour produced during the production of bran (any granulation).  It is lower in protein and fiber content than whole oat flour.   

Crushed oats are produced by lightly grinding groats, steel cut, or flakes to produce a meal type product.  Various textures (fine and coarse as rough categories) are available. 

Large flake rolled oats (#3, #4, #5, #6) are produced by rolled whole oat groats. All large flake oats are essentially the same product, but produced at different thicknesses, which results in a range of absorption characteristics, as well as visual differences.         

The quick, baby, and instant rolled oats are all manufactured by rolling steel cut oat groats.  Different granulations of steel cut and different rolling thicknesses result in a variety of related products. 

Further Processing 

Whole oat groats and steel cut oat groats are often marketed to be used as raw material for further processing into flakes, flour, bran, and crushed oat products.  Whole oat groats can be rolled into large flakes (#3, #4, #5, #6), cut into steel cut, ground into whole oat flour, or used to make oat bran and low bran oat flour.  

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