These are the unique Radial Bristle Discs a new type of abrasive that is superior to sandpaper, flap wheels, or other types of sanders, brushes, or abrasive wheels. The bristle materials are long lasting and very effective. The Cubitron and aluminum oxide grains embedded throughout the plastic bristles make them very long lasting. Their flexible bristles can reach into areas with detail and irregular, curved, or flat surfaces.Bristle Discs can be stacked, use as many discs as needed on rotary miniature mandrels, use them like natural bristle brushes, without any compounds - which is already impregnated in the disc material. The different colors of discs designate the grade.Applications:Woodworking - Woodcarvers will appreciate how well they remove the "fuzzies" without harming any of the underlying detail.Jewelry & Crafts - Jewelers and Metalsmiths use the various grits of these discs, for cleaning, pre-polishing, metal surface Satin Texture finish and polishing of precious metals.Die & Mold Shops - when cleaning parts and molds, especially good on hard to polish materials like titanium and valplast.Coarser grits can be used to clean and remove surface oxides, in carving and grinding,surface texture while finer grits will smooth, burnish and polish.Specifications:Bristle Disc Diameter: 3/4" - 18mmBristle Grade: Yellow - 80 GritDisc Center Hole: 1/16" - 1.56mmReinforced Screw Mandrel: 3/32" Shank with 1/16" ScrewMaterial: Cubitron and Aluminum Oxide GrainsInstructions: - For optimum results use a minimum of 3 discs ganged together, more discs can be used for wider coverage- Recommended speed from 5,000 to 15,000 RPM- Maximum Operating Speed of 35,000 RPM- Rotation must be with the Radius of Bristles- No compounds, rouges or pastes required - Bristles contain abrasives
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