This kind of brush is designed specifically for inner hole polishing and roughness improvement.
Model Parameter
Grit Mesh: 1000#
Filament Diameter: 0.2 mm
Material: Silicon Carbide
General Parameter
OD(mm):60,75,90,100,105,120,125,135,150,160,180,200
Rod Diameter(mm): 6,8,10,12,16,20
Face Width (mm): 6,8,10,12,24,36,48
Trim Length (mm): 18,20,25,30,35
Grit Mesh: 36#,60#,80#,120#,180#,240#,320#,500#,600#,800#,1000#