●Because the brush is facing the side, it is possible to polish only the crossing hole in a blind hole.●Ideal for removing burrs on crossing holes.●Working tool: electric drill, drill press, etc.●Wire Diameter (mm):0.3●Bristle Material:Stainless Steel●Outer Diameter x Bristle Thickness x Shaft Length x Shaft Diameter (mm):20 x 10 x 25 x 6●Max Working Rotation Speed (rpm):3000●Shaft: Steel●Air tools cannot be used.
