Item #: 57816159Brand: WALTER Surface Technologies Model #: 13K404Exact Tooling IR#: 04 Features and Benefits Stringer bead twist brushes have tightly wound wires, giving them a narrow end face. They have low to medium flexibility to provide the most aggressive brushing action. Steel is the most common filament/wire material due to its durability and cutting action. It is suitable for general purpose applications and can be used on iron, steel, aluminum, brass, copper, and wood. Product Specifications Outside Diameter (Inch) 4 Arbor Hole Thread Size 5/8-11 Wire Type Stringer Bead Fill Material Steel Face Width (Inch) 3/16 Filament Wire Diameter Range 0.0200-0.0299 Maximum RPM 20000 Shank Included No Filament/Wire Diameter (Decimal Inch) 0.0200 Encapsulated No Brush Color Orange Arbor Hole Style Threaded Outside Diameter (Decimal Inch) 4 Face Width (Decimal Inch) 3/16