Grit
1) Texture of the surface of a roll; applied through sand blasting and grinding; the lower the number, the higher the grit and the rougher the surface; 50, 90, 150, 200, and 220 grit. Temper Mills may run grit. Grit also refers to the finish on the surface of the steel. 2) The size of the shot blast used to mechanically texture a roll for producing a grit finish product.
