Mount 2″ Discs on M30 OR M31 Mandrels. “Set of 6 Bristle Discs 3/4" dia in Pumice Grit Pink” has been added to your cart. View cart 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 $6.14 – CA $12.09 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 $6.14 Out of stock M31 Mandrel 1/4" ShankCA $12.09Out of stock Add to cart Category: Scotch-Brite Bristle Discs Share000 Description Related products CA $3.50 Add to cart M20 Foredom Mandrel 1/8" Shank and 1/8" Arbor Hole Capacity Scotch-Brite Bristle Discs, Foredom Mandrels CA $3.50 CA $3.50 Add to cart CA $21.78 Add to cart Set of 6 Bristle Discs 3/4" dia in 220 Grit Red Scotch-Brite Bristle Discs CA $21.78 CA $21.78 Add to cart CA $4.41 Add to cart M14 Foredom Mandrel 1/8" Shank and 1/8" Arbor Hole Capacity Scotch-Brite Bristle Discs, Foredom Mandrels CA $4.41 CA $4.41 Add to cart CA $20.22 View options 3M Radial Bristle Discs 34inch Diameter 400grit. Scotch-Brite Bristle Discs 3M Scotch-Brite Radial Bristle Disc, 3/4" dia, 1/16" arbor hole, 400 grit (blue), Pack of 6. Use with mandrels M1 and M6. CA $20.22 CA $20.22 View options