Use with small radial bristle discs 1 inch diameter or smaller with 1/16 inch center hole. Mandrel fits 3/32 inch drill or collet chucks.
Use 3M™ Bristle Disc Mandrel with small radial bristle discs that have a 25.4 mm diameter or smaller with a 1.59 mm centre hole. Our two-piece mandrels have 30,000 RPM maximum and fit 2.38 mm drill or collet chucks. To use a mandrel, insert the bolt through the centre hole of a bristle disc and then tighten into a threaded spindle. Then insert the spindle in a 2.38 mm drill or collet chuck. Attachment type: shaft Centre hole diameter: 1.39 mm Converted form: mandrel/spindle Equipment/machines: die grinders Form type: bristle Maximum RPM: 30,000 Shank size: 0.60 mm