Osborn ATB Cup Brush-Flat Trim, 4 in DIA, Aluminum Oxide

Featuring a precision cut flat trim and premium quality 0.045" x 0.090" rectangular nylon filaments, this Osborn ATB™ Cup Brush is ideal for flat surface finishing and deburring. Brushes are heavily filled with filaments impregnated with choice of Silicon Carbide or Aluminum Oxide and are designed for maximum longevity. Note: 4" brushes include premium quality bridle for maximum filament rigidity.

• Abrasive Cup Brush: Use on engine blocks, cylinder heads, exhaust manifolds, transmission housings, water pumps and intake manifolds, bulk heads, wing spars