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 $3.50 – CA $4.41 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 $4.41 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 $3.50 Add to cart Category: Scotch-Brite Bristle Discs Share000 Related products CA $21.78 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 $21.78 CA $21.78 View options CA $20.22 Add to cart Set of 6 Bristle Discs 3/4" dia in 400 Grit Blue Scotch-Brite Bristle Discs CA $20.22 CA $20.22 Add to cart CA $12.09 View options Mandrels Woodcarving Accessories M31 Mandrel Scotch-Brite Bristle Discs, Foredom Mandrels Flat head screw type mandrel with 1/4" shank for mounting 2" and 3" Scotch Brite Radial Bristle Discs. CA $12.09 CA $12.09 View options CA $6.14 Add to cart M30 Mandrel 1/4" Shank Scotch-Brite Bristle Discs, Foredom Mandrels CA $6.14 CA $6.14 Add to cart