BRM Series 81-AY, Abrasive Nylon Twisted-in-Wire, Miniature Cross Hole Deburing Brushes, Hole Diameter: 7/16″ (0.438), Brush Diameter: 0.481, Brush Part: 1-1/2″, Overall Length: 3″, Stem Diameter: 0.140, Stocked Abrasice: 320 AO , Stainless Steel Wire, Abrasive Nylon, Single Stem – Single spiral








