Internal brushes with galvanised twisted wire core and plain helix of bristles.
Strong silicon carbide bristles (SiC) in 120 grit and 320 grit, bristle ⌀ 0.60mm, overall length 125mm.
Abrasive nylon brushes work at both the tips and the sides of the bristles. The continued exposure of new abrasive material ensures an even abrasive effect. For deburring (cross) bores, O-ring recesses, and for cleaning and polishing nozzles and small hydraulic bores.