Mount 2″ Discs on M30 OR M31 Mandrels. Home>Power Tool Accessories For Woodcarvers>Rotary Carving Tool Accessories>Scotch-Brite Bristle Discs>Mount 2″ Discs on M30 OR M31 Mandrels. Mount 2″ Discs on M30 OR M31 Mandrels. CA $5.09 – CA $9.46 Flat head screw type mandrels with 1/4″ shank for mounting 2″ Scotch-Brite Radial Bristle Discs. M30 Mandrel 1/4" Shank quantity M30 Mandrel 1/4" ShankCA $5.09 Out of stock M31 Mandrel 1/4" ShankCA $9.46Out of stock Add to cart Category: Scotch-Brite Bristle Discs Share000 Description Related products CA $23.36 Add to cart Set of 6 Bristle Discs 1" dia in 80 Grit Yellow Scotch-Brite Bristle Discs CA $23.36 CA $23.36 Add to cart CA $5.09 Add to cart M30 Mandrel 1/4" Shank Scotch-Brite Bristle Discs, Foredom Mandrels CA $5.09 CA $5.09 Add to cart CA $18.55 Add to cart Set of 6 Bristle Discs 3/4" dia in 80 Grit Yellow Scotch-Brite Bristle Discs CA $18.55 CA $18.55 Add to cart Sold out CA $9.46 Out of stock M31 Mandrel 1/4" Shank Scotch-Brite Bristle Discs, Foredom Mandrels CA $9.46 CA $9.46 Out of stock