990 Mandrel For Radial Bristle Discs
3M 990 Mandrel For Radial Bristle Discs
3M 990 Mandrel. Designed for use with the 3 x 3/8 radial bristle discs (PNs 07542, 07543, 07544). Allows stacking of one to four discs depending on the width of the surface to be cleaned. 1-3/4 x 1/4 mandrel shank size and 3/8 center hole