- 1/4 in stem for convenient mounting into the chuck of a drill or the collet of a machine tool and allow the brush to be used in either direction of rotation
- For brush stem diameter 3/32 in
- For general cleaning in the plating, metal finishing, aircraft and missile industries
- Also used with inert arc aluminum welding
- Use in a standard tapping cycle for deburring threaded holes in CNC machining centers
- Scratch brushes are constructed of dense filament/wire with an even trim for a consistent brushing action
