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A line of Type 29 ceramic flap discs that provide aggressive stock removal with smooth operator control on steel, stainless steel and exotics has been introduced by Rex-Cut Products Inc. Rex-Cut Sigma Ceramic Flap Discs feature a slight angle that provides a greater contact area with the metal for faster, smoother, grinding control and aggressive stock removal. Made with ceramic abrasive grains bonded to a proprietary treated material that is layered and stacked, these Type 29 ceramic flap discs are self-sharpening, durable and require minimal pressure.
Suited for heavy weld removal in fabrication shops, Rex-Cut Sigma Ceramic Flap Discs are available in 4-½", 5", and 7" dia. x 7/8" sizes and offered in 36 and 60 grit versions; with or without hubs and 5⁄8-11 adapters. These ceramic flap discs produce a better surface finish, run cooler and last longer than alumina oxide abrasives, claims the firm.
Related Glossary Terms
- abrasive
abrasive
Substance used for grinding, honing, lapping, superfinishing and polishing. Examples include garnet, emery, corundum, silicon carbide, cubic boron nitride and diamond in various grit sizes.
- grinding
grinding
Machining operation in which material is removed from the workpiece by a powered abrasive wheel, stone, belt, paste, sheet, compound, slurry, etc. Takes various forms: surface grinding (creates flat and/or squared surfaces); cylindrical grinding (for external cylindrical and tapered shapes, fillets, undercuts, etc.); centerless grinding; chamfering; thread and form grinding; tool and cutter grinding; offhand grinding; lapping and polishing (grinding with extremely fine grits to create ultrasmooth surfaces); honing; and disc grinding.
