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 $5.69 – CA $11.23 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 $5.69 Out of stock M31 Mandrel 1/4" ShankCA $11.23Out of stock Add to cart Category: Scotch-Brite Bristle Discs Share000 Description Related products CA $20.22 Add to cart Set of 6 Bristle Discs 3/4" dia in 220 Grit Red Scotch-Brite Bristle Discs CA $20.22 CA $20.22 Add to cart CA $3.64 View options M1 Mandrel Scotch-Brite Bristle Discs, Foredom Mandrels Screw type mandrel with 3/32" shank for mounting wheels, stones, felt bobs, small buffs, and other unmounted accessories with 1/16" arbor holes. CA $3.64 CA $3.64 View options CA $5.69 Add to cart M30 Mandrel 1/4" Shank Scotch-Brite Bristle Discs, Foredom Mandrels CA $5.69 CA $5.69 Add to cart CA $20.22 View options 3M Radial Bristle Discs 34inch Diameter 220grit Scotch-Brite Bristle Discs 3M Scotch-Brite Radial Bristle Disc, 3/4" dia, 1/16" arbor hole, 220 grit (red), Pack of 6. Use with mandrels M1 and M6. CA $20.22 CA $20.22 View options