Close tolerances can be maintained depending on the materials used. Flat Most common shape used unless there are specific reasons for using other shapes. Bevel Reduces brush resistance and conforms to surface being brushed. To conform to the surface being brushed. Step For brushing irregular or uneven surfaces.
Many variations are possible.
To conform to the surface being brushed. Combination Step Combination of step trims to conform to the surface being brushed. Chisel or Converging Allows for greater concentration of brush fill to obtain more brushing action. Fills Materials, Sizes and Colors Several fill materials are available and used in stapled brushes. Materials used are bristle, horse hair, goat hair, tampico, nylon, polypropylene, abrasive nylon, brass, carbon steel, stainless steel and phosphor bronze.