Mount 1″ Discs on M14 OR M20 mandrels. Home>Power Tool Accessories For Woodcarvers>Rotary Carving Tool Accessories>Scotch-Brite Bristle Discs>Mount 1″ Discs on M14 OR M20 mandrels. Mount 1″ Discs on M14 OR M20 mandrels. CA $3.64 Screw type mandrels with 1/8″ shank for mounting wheels, stones, felt bobs, small buffs, and other unmounted accessories with 1/8″ arbor holes. M14 Foredom Mandrel 1/8" Shank and 1/8" Arbor Hole Capacity quantity M14 Foredom Mandrel 1/8" Shank and 1/8" Arbor Hole CapacityCA $3.64 M20 Foredom Mandrel 1/8" Shank and 1/8" Arbor Hole Capacity quantity M20 Foredom Mandrel 1/8" Shank and 1/8" Arbor Hole CapacityCA $3.64 Add to cart Category: Scotch-Brite Bristle Discs Share000 Related products CA $3.64 Add to cart M24 Foredom Mandrel 3/32" Shank and 3/32" dia 7/16" slot Scotch-Brite Bristle Discs, Foredom Mandrels CA $3.64 CA $3.64 Add to cart CA $18.55 View options 3M Radial Bristle Discs 34inch Diameter Pumice grit Scotch-Brite Bristle Discs 3M Scotch-Brite Radial Bristle Disc, 3/4" dia, 1/16" arbor hole, Pumice grit (pink), Pack of 6. Use with mandrels M1 and M6. CA $18.55 CA $18.55 View options CA $18.55 Add to cart Set of 6 Bristle Discs 3/4" dia in 400 Grit Blue Scotch-Brite Bristle Discs CA $18.55 CA $18.55 Add to cart 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