United Abrasives 51343 Fiber Disc is a high-performance grinding solution designed for demanding metal fabrication and finishing tasks. Featuring a 4-1/2″ diameter and 7/8″ arbor hole, this disc is constructed with 9S ceramic grain bonded using a durable resin-over-resin system on a vulcanized fiber backing. Its coarse 36-grit abrasive allows for aggressive stock removal while maintaining consistent performance even under high-pressure applications. With a maximum speed of 13,300 RPM, the disc delivers fast cutting action and long life, making it suitable for use with standard right-angle grinders in industrial environments.Engineered with a grinding aid, the United Abrasives Fiber Disc minimizes heat build-up and loading, ensuring cooler operation and preventing material discolorationparticularly important when working with stainless steel, titanium, aluminum, and other heat-sensitive alloys. Its ceramic aluminum oxide grain self-sharps during use, extending the discs efficiency and reducing downtime for replacements. Packaged in bulk spindles of 100 pieces, this fiber disc is an economical choice for high-volume users such as fabrication shops, welders, and metalworking professionals seeking precision, durability, and productivity in heavy-duty grinding operations.Type: Fiber Disc | Abrasive Material: 9S – Ceramic Aluminum Oxide with Grinding Aid | Diameter (in.): 4-1/2 | Arbor Hole (in.): 7/8 | Grit: 36 | Max RPM: 13300 | Application: Blending, Grinding | Box of: 100 | __quantity: 100Features:High-performance, ceramic grain, closed coat with grinding aidsExcels on heat-sensitive materials (stainless steel, etc.) and non-ferrous metals (aluminum, etc.)Grinding aids for reduced heat and decreased loadingExceptional performance and valueAvailable in Bulk, Blue Line or Sait-lok PackagingResin over resin construction for a strong bond that is resistant to heat and moistureVulcanised fiber backing for heavy-duty sandingBulk Spindle Packaging: Assures that each disc remains perfectly flat. The unique design offers the convenience of easy access and can be retightened to ensure that your discs are flat when you need themLooking for more information about United Abrasives Fiber Disc? Click hereto view theCatalogFor help choosing the correct United Abrasives Fiber Discs for your application, please call (800) 608-5210 or [email protected]
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