Knot Cup Brushes are for heavy-duty use for the preparing of metal surfaces before painting, and the removal of slag, rust, scale or concrete waste.
Lessmann knotted brushes are filled with a special steel wire of high tensile strength in order to meet the demands of this type of brush.

Products marked with a * have a bridle fitted which an be removed to expose a further 20mm of useable wire.

Diameter. 65mm.
Bore. M14.
Wire Gauge. 0.35.
Wire Type. Steel.
Max. R.P.M. 12,500.