Crimped wire fill which has been "pre-flared" to match the working angle of the brush at operating speed. 1/4" stem diameter for use on die grinder, drill, drill press and right angle air die grinder.
. Strengthens and sturdies brush shaft for better stability and overall reach. Flexible Nylon Stems - Distribute pressure evenly and self centers within the part to create an ideal hone.Reduces brush run-out.
Bore-Rx 4" Dia Brush Deburring .Combine the high density and superior filament retention of composite hub wheels with the dimensional stability and shock resistance of metal hub construction..055/120CG Crimped Fill,3/8" Stem .