The usefulness of wheat passage flours for wafer production was studied. Grains of a ‘Slade’ variety of wheat were milled in a commercial mill. 15 streams of flour were obtained from the following passage flours: break flours, reduction flours, sorter flour, and flour from bran brusher. The flours obtained differed in their chemical composition and in the rheological properties of the dough made thereof. The flours from the first breaks and the first reduction rolls as well as the flours from the sorter and bran brusher showed the most convenient technological characteristics for the industrial production of wafers, i.e. long time of gluten aggregation and a relatively low batter viscosity. No correlations were found among the gluten yield and its quality, and the time of gluten aggregation and batter viscosity. It was proved that the low efficiency of wet gluten and its quality are not the appropriate criteria for assessing flour usefulness for wafer production. A negative correlation was found among the batter viscosity and gluten aggregation time, and the content of total protein and the damage degree of starch. To produce wafers, those passage flours are the most useful that show a relatively low protein content and a low damage degree of starch.