Cup brushes are used for removal of scale, rust, and paint, as well as for deburring and polishing. Different duty levels and fill materials are available to suit a wide variety of tasks in surface preparation, burr removal, and finishing operations.
Minigrinder Cup Brushes:
Designed for higher speed rotation in a high speed angle grinder. Suitable for deburring, weld cleaning, paint and rust removal, and surface preparation. Available standard with carbon steel, stainless steel, brass, or bronze wire in both crimped and twisted knot styles. A variety of common threaded arbor hole sizes is available including popular Metric sizes to fit all brands of grinders. Recommended maximum safe free speed is 12,500 rpm. Diameter is 2 ¾”, and trim length varies by model from ¾” to 7/8″.
Standard Duty Knot Cup Brushes:
For use with electric or pneumatic high speed grinders for heavy duty cleaning of large surfaces. Remove weld scale, rust, old paint, and corrosion. Brush fill options include carbon steel and stainless steel, or for non-sparking applications, brass or bronze wire. Safe free speeds range from 6,000 rpm to 7,000 rpm. Diameters include 3″, 4″ and 6″. Bridled cup brushes 4″ and 6″ only.
End brushes are suitable for industrial cleaning applications where restricted space is an issue. Typical wire end brush applications include: polishing molds or dies, cleaning castings, brushing the internal surfaces of holes, flash removal, spot facing, and surface preparation for welding. Typical use involves a hand-held high speed air tool, electric drill, drill press, or robotic finishing equipment. Available in crimped carbon steel, stainless steel, brass, or bronze wire .